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CVE-2026-33866 (GCVE-0-2026-33866)

Vulnerability from nvd – Published: 2026-04-07 12:57 – Updated: 2026-04-14 15:12

Title

Authorization Bypass in MLflow AJAX Endpoint

Summary

MLflow is vulnerable to an authorization bypass affecting the AJAX endpoint used to download saved model artifacts. Due to missing access‑control validation, a user without permissions to a given experiment can directly query this endpoint and retrieve model artifacts they are not authorized to access. This issue affects MLflow version through 3.10.1

Severity ?

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CWE

CWE-862 - Missing Authorization

Assigner

CERT-PL

References

URL

Tags

	https://github.com/mlflow/mlflow/pull/21708	patch
	https://cert.pl/en/posts/2026/04/CVE-2026-33865/	third-party-advisory
	https://afine.com/blogs/attacking-mlflow-how-ml-a…	exploittechnical-description

Impacted products

	Vendor	Product	Version
	Mlflow	Mlflow	Affected: 0 , ≤ 3.10.1 (semver)

Credits

Sławomir Zakrzewski (AFINE)

Show details on NVD website

JSON

To clipboard

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CVE-2026-33865 (GCVE-0-2026-33865)

Vulnerability from nvd – Published: 2026-04-07 12:57 – Updated: 2026-04-14 15:13

Title

Stored XSS via unsafe YAML parsing in MLflow

Summary

MLflow is vulnerable to Stored Cross-Site Scripting (XSS) caused by unsafe parsing of YAML-based MLmodel artifacts in its web interface. An authenticated attacker can upload a malicious MLmodel file containing a payload that executes when another user views the artifact in the UI. This allows actions such as session hijacking or performing operations on behalf of the victim. This issue affects MLflow version through 3.10.1

Severity ?

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Assigner

CERT-PL

References

URL

Tags

	https://github.com/mlflow/mlflow/pull/21435	patch
	https://cert.pl/en/posts/2026/04/CVE-2026-33865/	third-party-advisory
	https://afine.com/blogs/attacking-mlflow-how-ml-a…	exploittechnical-description

Impacted products

	Vendor	Product	Version
	Mlflow	Mlflow	Affected: 0 , ≤ 3.10.1 (semver)

Credits

Sławomir Zakrzewski (AFINE)

Show details on NVD website

JSON

To clipboard

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CVE-2026-0545 (GCVE-0-2026-0545)

Vulnerability from nvd – Published: 2026-04-03 17:03 – Updated: 2026-04-03 17:49

Title

Missing Authentication for Critical Function in mlflow/mlflow

Summary

In mlflow/mlflow, the FastAPI job endpoints under `/ajax-api/3.0/jobs/*` are not protected by authentication or authorization when the `basic-auth` app is enabled. This vulnerability affects the latest version of the repository. If job execution is enabled (`MLFLOW_SERVER_ENABLE_JOB_EXECUTION=true`) and any job function is allowlisted, any network client can submit, read, search, and cancel jobs without credentials, bypassing basic-auth entirely. This can lead to unauthenticated remote code execution if allowed jobs perform privileged actions such as shell execution or filesystem changes. Even if jobs are deemed safe, this still constitutes an authentication bypass, potentially resulting in job spam, denial of service (DoS), or data exposure in job results.

Severity ?

9.1 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/b2e5b028-9541-4d29-870…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2026-0596 (GCVE-0-2026-0596)

Vulnerability from nvd – Published: 2026-03-31 14:25 – Updated: 2026-04-01 03:55

Title

Command Injection in mlflow/mlflow

Summary

A command injection vulnerability exists in mlflow/mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.

Severity ?

9.6 (Critical)


                        
                          CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/2e905add-f9f5-4309-a3d…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-15379 (GCVE-0-2025-15379)

Vulnerability from nvd – Published: 2026-03-30 07:16 – Updated: 2026-03-31 13:50

Title

Command Injection in mlflow/mlflow

Summary

A command injection vulnerability exists in MLflow's model serving container initialization code, specifically in the `_install_model_dependencies_to_env()` function. When deploying a model with `env_manager=LOCAL`, MLflow reads dependency specifications from the model artifact's `python_env.yaml` file and directly interpolates them into a shell command without sanitization. This allows an attacker to supply a malicious model artifact and achieve arbitrary command execution on systems that deploy the model. The vulnerability affects versions 3.8.0 and is fixed in version 3.8.2.

Severity ?

10 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

@huntr_ai

References

URL

Tags

	https://huntr.com/bounties/dc9c1c20-7879-4050-87d…
	https://github.com/mlflow/mlflow/commit/361b6f620…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , < 3.8.2 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-15036 (GCVE-0-2025-15036)

Vulnerability from nvd – Published: 2026-03-30 01:16 – Updated: 2026-03-31 03:55

Title

Path Traversal Vulnerability in mlflow/mlflow

Summary

A path traversal vulnerability exists in the `extract_archive_to_dir` function within the `mlflow/pyfunc/dbconnect_artifact_cache.py` file of the mlflow/mlflow repository. This vulnerability, present in versions before v3.7.0, arises due to the lack of validation of tar member paths during extraction. An attacker with control over the tar.gz file can exploit this issue to overwrite arbitrary files or gain elevated privileges, potentially escaping the sandbox directory in multi-tenant or shared cluster environments.

Severity ?

9.6 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-29 - Path Traversal: '\..\filename'

Assigner

@huntr_ai

References

URL

Tags

	https://huntr.com/bounties/36c314cf-fd6e-4fb0-b9b…
	https://github.com/mlflow/mlflow/commit/3bf6d81ac…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , < 3.9.0 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-15381 (GCVE-0-2025-15381)

Vulnerability from nvd – Published: 2026-03-27 16:17 – Updated: 2026-03-28 03:55

Title

Unauthorized Access to Tracing and Assessment Endpoints in mlflow/mlflow

Summary

In the latest version of mlflow/mlflow, when the `basic-auth` app is enabled, tracing and assessment endpoints are not protected by permission validators. This allows any authenticated user, including those with `NO_PERMISSIONS` on the experiment, to read trace information and create assessments for traces they should not have access to. This vulnerability impacts confidentiality by exposing trace metadata and integrity by allowing unauthorized creation of assessments. Deployments using `mlflow server --app-name=basic-auth` are affected.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/149fb2f9-ef4b-4136-a25…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-15031 (GCVE-0-2025-15031)

Vulnerability from nvd – Published: 2026-03-18 22:06 – Updated: 2026-03-19 13:52

Title

Path Traversal Vulnerability in mlflow/mlflow

Summary

A vulnerability in MLflow's pyfunc extraction process allows for arbitrary file writes due to improper handling of tar archive entries. Specifically, the use of `tarfile.extractall` without path validation enables crafted tar.gz files containing `..` or absolute paths to escape the intended extraction directory. This issue affects the latest version of MLflow and poses a high/critical risk in scenarios involving multi-tenant environments or ingestion of untrusted artifacts, as it can lead to arbitrary file overwrites and potential remote code execution.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/09856f77-f968-446f-a93…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-14287 (GCVE-0-2025-14287)

Vulnerability from nvd – Published: 2026-03-15 09:27 – Updated: 2026-03-17 12:44

Title

Command Injection in mlflow/mlflow

Summary

A command injection vulnerability exists in mlflow/mlflow versions before v3.7.0, specifically in the `mlflow/sagemaker/__init__.py` file at lines 161-167. The vulnerability arises from the direct interpolation of user-supplied container image names into shell commands without proper sanitization, which are then executed using `os.system()`. This allows attackers to execute arbitrary commands by supplying malicious input through the `--container` parameter of the CLI. The issue affects environments where MLflow is used, including development setups, CI/CD pipelines, and cloud deployments.

Severity ?

7.5 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-94 - Improper Control of Generation of Code

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/229cd526-41aa-4819-b6f…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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        }
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CVE-2025-10279 (GCVE-0-2025-10279)

Vulnerability from nvd – Published: 2026-02-02 10:36 – Updated: 2026-02-02 17:48

Title

Privilege Escalation in mlflow/mlflow

Summary

In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions (0o777). This vulnerability allows an attacker with write access to the `/tmp` directory to exploit a race condition and overwrite `.py` files in the virtual environment, leading to arbitrary code execution. The issue is resolved in version 3.4.0.

Severity ?

7 (High)


                        
                          CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-379 - Creation of Temporary File in Directory with Insecure Permissions

Assigner

@huntr_ai

References

URL

Tags

	https://huntr.com/bounties/01d3b81e-13d1-43aa-b91…
	https://github.com/mlflow/mlflow/commit/1d7c8d4cf…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , < 3.4.0 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-14279 (GCVE-0-2025-14279)

Vulnerability from nvd – Published: 2026-01-12 08:15 – Updated: 2026-01-12 14:54

Title

DNS Rebinding Vulnerability in mlflow/mlflow

Summary

MLFlow versions up to and including 3.4.0 are vulnerable to DNS rebinding attacks due to a lack of Origin header validation in the MLFlow REST server. This vulnerability allows malicious websites to bypass Same-Origin Policy protections and execute unauthorized calls against REST endpoints. An attacker can query, update, and delete experiments via the affected endpoints, leading to potential data exfiltration, destruction, or manipulation. The issue is resolved in version 3.5.0.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CWE

CWE-346 - Origin Validation Error

Assigner

@huntr_ai

References

URL

Tags

	https://huntr.com/bounties/ef478f72-2e4f-44dc-805…
	https://github.com/mlflow/mlflow/commit/b0ffd289e…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , < 3.5.0 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-11200 (GCVE-0-2025-11200)

Vulnerability from nvd – Published: 2025-10-29 19:42 – Updated: 2026-02-26 16:56

Title

MLflow Weak Password Requirements Authentication Bypass Vulnerability

Summary

MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of passwords. The issue results from weak password requirements. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26916.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-521 - Weak Password Requirements

Assigner

zdi

References

URL

Tags

	https://www.zerodayinitiative.com/advisories/ZDI-…	x_research-advisory
	https://github.com/mlflow/mlflow/commit/1f74f3f24…	vendor-advisory

Impacted products

	Vendor	Product	Version
	MLflow	MLflow	Affected: 2.21.0

Date Public ?

2025-10-03 23:27

Show details on NVD website

JSON

To clipboard

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CVE-2025-11201 (GCVE-0-2025-11201)

Vulnerability from nvd – Published: 2025-10-29 19:37 – Updated: 2026-02-26 16:56

Title

MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability

Summary

MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of model file paths. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26921.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

zdi

References

URL

Tags

	https://www.zerodayinitiative.com/advisories/ZDI-…	x_research-advisory
	https://github.com/B-Step62/mlflow/commit/2e02bc7…	vendor-advisory

Impacted products

	Vendor	Product	Version
	MLflow	MLflow	Affected: 2.21.3

Date Public ?

2025-10-03 23:25

Show details on NVD website

JSON

To clipboard

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CVE-2026-33866 (GCVE-0-2026-33866)

Vulnerability from cvelistv5 – Published: 2026-04-07 12:57 – Updated: 2026-04-14 15:12

Title

Authorization Bypass in MLflow AJAX Endpoint

Summary

MLflow is vulnerable to an authorization bypass affecting the AJAX endpoint used to download saved model artifacts. Due to missing access‑control validation, a user without permissions to a given experiment can directly query this endpoint and retrieve model artifacts they are not authorized to access. This issue affects MLflow version through 3.10.1

Severity ?

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CWE

CWE-862 - Missing Authorization

Assigner

CERT-PL

References

URL

Tags

	https://github.com/mlflow/mlflow/pull/21708	patch
	https://cert.pl/en/posts/2026/04/CVE-2026-33865/	third-party-advisory
	https://afine.com/blogs/attacking-mlflow-how-ml-a…	exploittechnical-description

Impacted products

	Vendor	Product	Version
	Mlflow	Mlflow	Affected: 0 , ≤ 3.10.1 (semver)

Credits

Sławomir Zakrzewski (AFINE)

Show details on NVD website

JSON

To clipboard

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CVE-2026-33865 (GCVE-0-2026-33865)

Vulnerability from cvelistv5 – Published: 2026-04-07 12:57 – Updated: 2026-04-14 15:13

Title

Stored XSS via unsafe YAML parsing in MLflow

Summary

MLflow is vulnerable to Stored Cross-Site Scripting (XSS) caused by unsafe parsing of YAML-based MLmodel artifacts in its web interface. An authenticated attacker can upload a malicious MLmodel file containing a payload that executes when another user views the artifact in the UI. This allows actions such as session hijacking or performing operations on behalf of the victim. This issue affects MLflow version through 3.10.1

Severity ?

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Assigner

CERT-PL

References

URL

Tags

	https://github.com/mlflow/mlflow/pull/21435	patch
	https://cert.pl/en/posts/2026/04/CVE-2026-33865/	third-party-advisory
	https://afine.com/blogs/attacking-mlflow-how-ml-a…	exploittechnical-description

Impacted products

	Vendor	Product	Version
	Mlflow	Mlflow	Affected: 0 , ≤ 3.10.1 (semver)

Credits

Sławomir Zakrzewski (AFINE)

Show details on NVD website

JSON

To clipboard

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CVE-2026-0545 (GCVE-0-2026-0545)

Vulnerability from cvelistv5 – Published: 2026-04-03 17:03 – Updated: 2026-04-03 17:49

Title

Missing Authentication for Critical Function in mlflow/mlflow

Summary

In mlflow/mlflow, the FastAPI job endpoints under `/ajax-api/3.0/jobs/*` are not protected by authentication or authorization when the `basic-auth` app is enabled. This vulnerability affects the latest version of the repository. If job execution is enabled (`MLFLOW_SERVER_ENABLE_JOB_EXECUTION=true`) and any job function is allowlisted, any network client can submit, read, search, and cancel jobs without credentials, bypassing basic-auth entirely. This can lead to unauthenticated remote code execution if allowed jobs perform privileged actions such as shell execution or filesystem changes. Even if jobs are deemed safe, this still constitutes an authentication bypass, potentially resulting in job spam, denial of service (DoS), or data exposure in job results.

Severity ?

9.1 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/b2e5b028-9541-4d29-870…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2026-0596 (GCVE-0-2026-0596)

Vulnerability from cvelistv5 – Published: 2026-03-31 14:25 – Updated: 2026-04-01 03:55

Title

Command Injection in mlflow/mlflow

Summary

A command injection vulnerability exists in mlflow/mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.

Severity ?

9.6 (Critical)


                        
                          CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/2e905add-f9f5-4309-a3d…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-15379 (GCVE-0-2025-15379)

Vulnerability from cvelistv5 – Published: 2026-03-30 07:16 – Updated: 2026-03-31 13:50

Title

Command Injection in mlflow/mlflow

Summary

A command injection vulnerability exists in MLflow's model serving container initialization code, specifically in the `_install_model_dependencies_to_env()` function. When deploying a model with `env_manager=LOCAL`, MLflow reads dependency specifications from the model artifact's `python_env.yaml` file and directly interpolates them into a shell command without sanitization. This allows an attacker to supply a malicious model artifact and achieve arbitrary command execution on systems that deploy the model. The vulnerability affects versions 3.8.0 and is fixed in version 3.8.2.

Severity ?

10 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

@huntr_ai

References

URL

Tags

	https://huntr.com/bounties/dc9c1c20-7879-4050-87d…
	https://github.com/mlflow/mlflow/commit/361b6f620…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , < 3.8.2 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-15036 (GCVE-0-2025-15036)

Vulnerability from cvelistv5 – Published: 2026-03-30 01:16 – Updated: 2026-03-31 03:55

Title

Path Traversal Vulnerability in mlflow/mlflow

Summary

A path traversal vulnerability exists in the `extract_archive_to_dir` function within the `mlflow/pyfunc/dbconnect_artifact_cache.py` file of the mlflow/mlflow repository. This vulnerability, present in versions before v3.7.0, arises due to the lack of validation of tar member paths during extraction. An attacker with control over the tar.gz file can exploit this issue to overwrite arbitrary files or gain elevated privileges, potentially escaping the sandbox directory in multi-tenant or shared cluster environments.

Severity ?

9.6 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-29 - Path Traversal: '\..\filename'

Assigner

@huntr_ai

References

URL

Tags

	https://huntr.com/bounties/36c314cf-fd6e-4fb0-b9b…
	https://github.com/mlflow/mlflow/commit/3bf6d81ac…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , < 3.9.0 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-15381 (GCVE-0-2025-15381)

Vulnerability from cvelistv5 – Published: 2026-03-27 16:17 – Updated: 2026-03-28 03:55

Title

Unauthorized Access to Tracing and Assessment Endpoints in mlflow/mlflow

Summary

In the latest version of mlflow/mlflow, when the `basic-auth` app is enabled, tracing and assessment endpoints are not protected by permission validators. This allows any authenticated user, including those with `NO_PERMISSIONS` on the experiment, to read trace information and create assessments for traces they should not have access to. This vulnerability impacts confidentiality by exposing trace metadata and integrity by allowing unauthorized creation of assessments. Deployments using `mlflow server --app-name=basic-auth` are affected.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/149fb2f9-ef4b-4136-a25…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-15031 (GCVE-0-2025-15031)

Vulnerability from cvelistv5 – Published: 2026-03-18 22:06 – Updated: 2026-03-19 13:52

Title

Path Traversal Vulnerability in mlflow/mlflow

Summary

A vulnerability in MLflow's pyfunc extraction process allows for arbitrary file writes due to improper handling of tar archive entries. Specifically, the use of `tarfile.extractall` without path validation enables crafted tar.gz files containing `..` or absolute paths to escape the intended extraction directory. This issue affects the latest version of MLflow and poses a high/critical risk in scenarios involving multi-tenant environments or ingestion of untrusted artifacts, as it can lead to arbitrary file overwrites and potential remote code execution.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/09856f77-f968-446f-a93…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-14287 (GCVE-0-2025-14287)

Vulnerability from cvelistv5 – Published: 2026-03-15 09:27 – Updated: 2026-03-17 12:44

Title

Command Injection in mlflow/mlflow

Summary

A command injection vulnerability exists in mlflow/mlflow versions before v3.7.0, specifically in the `mlflow/sagemaker/__init__.py` file at lines 161-167. The vulnerability arises from the direct interpolation of user-supplied container image names into shell commands without proper sanitization, which are then executed using `os.system()`. This allows attackers to execute arbitrary commands by supplying malicious input through the `--container` parameter of the CLI. The issue affects environments where MLflow is used, including development setups, CI/CD pipelines, and cloud deployments.

Severity ?

7.5 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-94 - Improper Control of Generation of Code

Assigner

@huntr_ai

References

URL

Tags

https://huntr.com/bounties/229cd526-41aa-4819-b6f…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , ≤ latest (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-10279 (GCVE-0-2025-10279)

Vulnerability from cvelistv5 – Published: 2026-02-02 10:36 – Updated: 2026-02-02 17:48

Title

Privilege Escalation in mlflow/mlflow

Summary

In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions (0o777). This vulnerability allows an attacker with write access to the `/tmp` directory to exploit a race condition and overwrite `.py` files in the virtual environment, leading to arbitrary code execution. The issue is resolved in version 3.4.0.

Severity ?

7 (High)


                        
                          CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-379 - Creation of Temporary File in Directory with Insecure Permissions

Assigner

@huntr_ai

References

URL

Tags

	https://huntr.com/bounties/01d3b81e-13d1-43aa-b91…
	https://github.com/mlflow/mlflow/commit/1d7c8d4cf…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , < 3.4.0 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-14279 (GCVE-0-2025-14279)

Vulnerability from cvelistv5 – Published: 2026-01-12 08:15 – Updated: 2026-01-12 14:54

Title

DNS Rebinding Vulnerability in mlflow/mlflow

Summary

MLFlow versions up to and including 3.4.0 are vulnerable to DNS rebinding attacks due to a lack of Origin header validation in the MLFlow REST server. This vulnerability allows malicious websites to bypass Same-Origin Policy protections and execute unauthorized calls against REST endpoints. An attacker can query, update, and delete experiments via the affected endpoints, leading to potential data exfiltration, destruction, or manipulation. The issue is resolved in version 3.5.0.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CWE

CWE-346 - Origin Validation Error

Assigner

@huntr_ai

References

URL

Tags

	https://huntr.com/bounties/ef478f72-2e4f-44dc-805…
	https://github.com/mlflow/mlflow/commit/b0ffd289e…

Impacted products

	Vendor	Product	Version
	mlflow	mlflow/mlflow	Affected: unspecified , < 3.5.0 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-11200 (GCVE-0-2025-11200)

Vulnerability from cvelistv5 – Published: 2025-10-29 19:42 – Updated: 2026-02-26 16:56

Title

MLflow Weak Password Requirements Authentication Bypass Vulnerability

Summary

MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of passwords. The issue results from weak password requirements. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26916.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-521 - Weak Password Requirements

Assigner

zdi

References

URL

Tags

	https://www.zerodayinitiative.com/advisories/ZDI-…	x_research-advisory
	https://github.com/mlflow/mlflow/commit/1f74f3f24…	vendor-advisory

Impacted products

	Vendor	Product	Version
	MLflow	MLflow	Affected: 2.21.0

Date Public ?

2025-10-03 23:27

Show details on NVD website

JSON

To clipboard

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CVE-2025-11201 (GCVE-0-2025-11201)

Vulnerability from cvelistv5 – Published: 2025-10-29 19:37 – Updated: 2026-02-26 16:56

Title

MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability

Summary

MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of model file paths. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26921.

Severity ?

8.1 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

zdi

References

URL

Tags

	https://www.zerodayinitiative.com/advisories/ZDI-…	x_research-advisory
	https://github.com/B-Step62/mlflow/commit/2e02bc7…	vendor-advisory

Impacted products

	Vendor	Product	Version
	MLflow	MLflow	Affected: 2.21.3

Date Public ?

2025-10-03 23:25

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-10279

Vulnerability from fkie_nvd - Published: 2026-02-02 11:16 - Updated: 2026-04-14 14:57

Severity ?

7.0 (High) - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions (0o777). This vulnerability allows an attacker with write access to the `/tmp` directory to exploit a race condition and overwrite `.py` files in the virtual environment, leading to arbitrary code execution. The issue is resolved in version 3.4.0.

References

	URL	Tags
	security@huntr.dev	https://github.com/mlflow/mlflow/commit/1d7c8d4cf0a67d407499a8a4ffac387ea4f8194a	Patch
	security@huntr.dev	https://huntr.com/bounties/01d3b81e-13d1-43aa-b91a-443aec68bdc8	Third Party Advisory, Exploit

Impacted products

	Vendor	Product	Version
	lfprojects	mlflow	*

JSON

To clipboard

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  "configurations": [
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      "nodes": [
        {
          "cpeMatch": [
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    }
  ],
  "id": "CVE-2025-10279",
  "lastModified": "2026-04-14T14:57:42.480",
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  "published": "2026-02-02T11:16:16.867",
  "references": [
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      "tags": [
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      "url": "https://github.com/mlflow/mlflow/commit/1d7c8d4cf0a67d407499a8a4ffac387ea4f8194a"
    },
    {
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      "tags": [
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      "url": "https://huntr.com/bounties/01d3b81e-13d1-43aa-b91a-443aec68bdc8"
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      "type": "Primary"
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}

FKIE_CVE-2025-14279

Vulnerability from fkie_nvd - Published: 2026-01-12 09:15 - Updated: 2026-04-14 15:05

Severity ?

8.1 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Summary

MLFlow versions up to and including 3.4.0 are vulnerable to DNS rebinding attacks due to a lack of Origin header validation in the MLFlow REST server. This vulnerability allows malicious websites to bypass Same-Origin Policy protections and execute unauthorized calls against REST endpoints. An attacker can query, update, and delete experiments via the affected endpoints, leading to potential data exfiltration, destruction, or manipulation. The issue is resolved in version 3.5.0.

References

	URL	Tags
	security@huntr.dev	https://github.com/mlflow/mlflow/commit/b0ffd289e9b0d0cc32c9e3a9b9f3843ae83dbec3	Patch
	security@huntr.dev	https://huntr.com/bounties/ef478f72-2e4f-44dc-8055-fc06bef03108	Third Party Advisory, Exploit

Impacted products

	Vendor	Product	Version
	lfprojects	mlflow	*

JSON

To clipboard

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    },
    {
      "lang": "es",
      "value": "Las versiones de MLFlow hasta la 3.4.0 inclusive son vulnerables a ataques de reencuadernaci\u00f3n de DNS debido a una falta de validaci\u00f3n del encabezado Origin en el servidor REST de MLFlow. Esta vulnerabilidad permite a sitios web maliciosos eludir las protecciones de la Pol\u00edtica del Mismo Origen y ejecutar llamadas no autorizadas contra los puntos finales REST. Un atacante puede consultar, actualizar y eliminar experimentos a trav\u00e9s de los puntos finales afectados, lo que lleva a una posible exfiltraci\u00f3n, destrucci\u00f3n o manipulaci\u00f3n de datos. El problema se resuelve en la versi\u00f3n 3.5.0."
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  "id": "CVE-2025-14279",
  "lastModified": "2026-04-14T15:05:13.430",
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FKIE_CVE-2025-11201

Vulnerability from fkie_nvd - Published: 2025-10-29 20:15 - Updated: 2025-11-04 21:22

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of model file paths. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26921.

References

	URL	Tags
	zdi-disclosures@trendmicro.com	https://github.com/B-Step62/mlflow/commit/2e02bc7bb70df243e6eb792689d9b8eba0013161	Patch
	zdi-disclosures@trendmicro.com	https://www.zerodayinitiative.com/advisories/ZDI-25-931/	Third Party Advisory

Impacted products

	Vendor	Product	Version
	lfprojects	mlflow	*

JSON

To clipboard

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  "id": "CVE-2025-11201",
  "lastModified": "2025-11-04T21:22:41.407",
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FKIE_CVE-2025-11200

Vulnerability from fkie_nvd - Published: 2025-10-29 20:15 - Updated: 2025-12-31 01:06

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of passwords. The issue results from weak password requirements. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26916.

References

	URL	Tags
	zdi-disclosures@trendmicro.com	https://github.com/mlflow/mlflow/commit/1f74f3f24d8273927b8db392c23e108576936c54	Patch
	zdi-disclosures@trendmicro.com	https://www.zerodayinitiative.com/advisories/ZDI-25-932/	Third Party Advisory

Impacted products

	Vendor	Product	Version
	lfprojects	mlflow	*

JSON

To clipboard

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Search criteria ⓘ Use this form to refine search results. Full-text search supports keyword queries with ranking and filtering. You can combine vendor, product, and sources to narrow results. Enable “Apply ordering” to sort by date instead of relevance.

185 vulnerabilities found for MLflow by lfprojects

CVE-2026-33866 (GCVE-0-2026-33866)

CVE-2026-33865 (GCVE-0-2026-33865)

CVE-2026-0545 (GCVE-0-2026-0545)

CVE-2026-0596 (GCVE-0-2026-0596)

CVE-2025-15379 (GCVE-0-2025-15379)

CVE-2025-15036 (GCVE-0-2025-15036)

CVE-2025-15381 (GCVE-0-2025-15381)

CVE-2025-15031 (GCVE-0-2025-15031)

CVE-2025-14287 (GCVE-0-2025-14287)

CVE-2025-10279 (GCVE-0-2025-10279)

CVE-2025-14279 (GCVE-0-2025-14279)

CVE-2025-11200 (GCVE-0-2025-11200)

CVE-2025-11201 (GCVE-0-2025-11201)

CVE-2026-33866 (GCVE-0-2026-33866)

CVE-2026-33865 (GCVE-0-2026-33865)

CVE-2026-0545 (GCVE-0-2026-0545)

CVE-2026-0596 (GCVE-0-2026-0596)

CVE-2025-15379 (GCVE-0-2025-15379)

CVE-2025-15036 (GCVE-0-2025-15036)

CVE-2025-15381 (GCVE-0-2025-15381)

CVE-2025-15031 (GCVE-0-2025-15031)

CVE-2025-14287 (GCVE-0-2025-14287)

CVE-2025-10279 (GCVE-0-2025-10279)

CVE-2025-14279 (GCVE-0-2025-14279)

CVE-2025-11200 (GCVE-0-2025-11200)

CVE-2025-11201 (GCVE-0-2025-11201)

FKIE_CVE-2025-10279

FKIE_CVE-2025-14279

FKIE_CVE-2025-11201

FKIE_CVE-2025-11200

Search criteria ⓘ Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.