Common Weakness Enumeration

CWE-639

Allowed

Authorization Bypass Through User-Controlled Key

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

3207 vulnerabilities reference this CWE, most recent first.

CVE-2026-41084 (GCVE-0-2026-41084)

Vulnerability from cvelistv5 – Published: 2026-06-01 07:51 – Updated: 2026-06-02 16:43
VLAI
Title
Apache Airflow: API authorization bypass: bulk TaskInstances allows cross-DAG mutation
Summary
A bug in Apache Airflow's bulk Task Instances API (`PATCH/DELETE /api/v2/dags/{dag_id}/dagRuns/{dag_run_id}/taskInstances`) evaluated authorization against the `dag_id` resolved from the URL path while operating on the `dag_id` / `dag_run_id` extracted from request-body entity fields. An authenticated UI/API user with edit permission on one Dag could mutate Task Instance state in any other Dag by keeping the authorized Dag's ID in the URL path and naming the target Dag's IDs in the request body entities. Affects deployments that rely on per-Dag edit-scope to keep Task Instance state isolated between teams. Users are advised to upgrade to `apache-airflow` 3.2.2 or later.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Airflow Affected: 3.2.0 , < 3.2.2 (semver)
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Credits
Pirikara GPK (gopidesupavan)
Show details on NVD website
To clipboard 

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CVE-2026-40981 (GCVE-0-2026-40981)

Vulnerability from cvelistv5 – Published: 2026-05-07 03:55 – Updated: 2026-07-15 01:00
VLAI
Summary
When using Google Secrets Manager as a backend for the Spring Cloud Config server a client can craft a request to the config server potentially exposing secrets from unintended GCP projects. Spring Cloud Config 3.1.x: affected from 3.1.0 through 3.1.13 (inclusive); upgrade to 3.1.14 or greater (Enterprise Support Only). Spring Cloud Config 4.1.x: affected from 4.1.0 through 4.1.9 (inclusive); upgrade to 4.1.10 or greater (Enterprise Support Only). Spring Cloud Config 4.2.x: affected from 4.2.0 through 4.2.6 (inclusive); upgrade to 4.2.7 or greater (Enterprise Support Only). Spring Cloud Config 4.3.x: affected from 4.3.0 through 4.3.2 (inclusive); upgrade to 4.3.3 or greater. Spring Cloud Config 5.0.x: affected from 5.0.0 through 5.0.2 (inclusive); upgrade to 5.0.3 or greater.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-1220 - Insufficient Granularity of Access Control
Assigner
References
Impacted products
Vendor Product Version
Spring Spring Cloud Config Affected: 3.1.0 , < 3.1.14 (custom)
Affected: 4.1.0 , < 4.1.10 (custom)
Affected: 4.2.0 , < 4.2.7 (custom)
Affected: 4.3.0 , < 4.3.3 (custom)
Affected: 5.0.0 , < 5.0.3 (custom)
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack     cpe:/a:redhat:jbosseapxp
 Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-40907 (GCVE-0-2026-40907)

Vulnerability from cvelistv5 – Published: 2026-04-21 19:50 – Updated: 2026-04-21 20:06
VLAI
Title
WWBN AVideo has IDOR in Live Restreams list.json.php that Exposes Other Users' Stream Keys and OAuth Tokens
Summary
WWBN AVideo is an open source video platform. In versions 29.0 and prior, the endpoint `plugin/Live/view/Live_restreams/list.json.php` contains an Insecure Direct Object Reference (IDOR) vulnerability that allows any authenticated user with streaming permission to retrieve other users' live restream configurations, including third-party platform stream keys and OAuth tokens (access_token, refresh_token) for services like YouTube Live, Facebook Live, and Twitch. Commit d5992fff2811df4adad1d9fc7d0a5837b882aed7 fixes the issue.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
WWBN AVideo Affected: <= 29.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-40896 (GCVE-0-2026-40896)

Vulnerability from cvelistv5 – Published: 2026-04-20 15:12 – Updated: 2026-04-20 16:13
VLAI
Title
OpenProject has Cross-Project Meeting Agenda Item Injection via Unscoped Section Lookup
Summary
OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with `manage_agendas` permission in any project can inject agenda items into meetings belonging to any other project on the instance — even projects they have no access to. No knowledge of the target project, meeting, or victim is required; the attacker can blindly spray items into every meeting on the instance by iterating sequential section IDs. Version 17.3.0 patches the issue.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
opf openproject Affected: < 17.3.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-40867 (GCVE-0-2026-40867)

Vulnerability from cvelistv5 – Published: 2026-04-21 18:16 – Updated: 2026-04-21 20:36
VLAI
Title
Horilla: Unauthorized Helpdesk Attachment Access via Attachment ID Manipulation
Summary
Horilla is a free and open source Human Resource Management System (HRMS). In 1.5.0, a broken access control vulnerability in the helpdesk attachment viewer allows any authenticated user to view attachments from other tickets by changing the attachment ID. This can expose sensitive support files and internal documents across unrelated users or teams.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-284 - Improper Access Control
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-40866 (GCVE-0-2026-40866)

Vulnerability from cvelistv5 – Published: 2026-04-21 18:15 – Updated: 2026-04-21 19:29
VLAI
Title
Horilla: Unauthorized Document Overwrite via File Upload Endpoint
Summary
Horilla is a free and open source Human Resource Management System (HRMS). In 1.5.0, an insecure direct object reference in the employee document upload endpoint allows any authenticated user to overwrite or replace or corrupt another employee’s document by changing the document ID in the upload request. This enables unauthorized modification of HR records.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-284 - Improper Access Control
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-40865 (GCVE-0-2026-40865)

Vulnerability from cvelistv5 – Published: 2026-04-21 18:14 – Updated: 2026-04-21 18:45
VLAI
Title
Horilla: Insecure Direct Object Reference at `/employee/view-file/<int:id>
Summary
Horilla is a free and open source Human Resource Management System (HRMS). In 1.5.0, an insecure direct object reference in the employee document viewer allows any authenticated user to access other employees’ uploaded documents by changing the document ID in the request. This exposes sensitive HR files such as identity documents, contracts, certificates, and other private employee records.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-284 - Improper Access Control
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-40792 (GCVE-0-2026-40792)

Vulnerability from cvelistv5 – Published: 2026-06-15 20:18 – Updated: 2026-06-15 22:28
VLAI
Title
WordPress KiviCare plugin <= 4.2.1 - Insecure Direct Object References (IDOR) vulnerability
Summary
Subscriber Insecure Direct Object References (IDOR) in KiviCare <= 4.2.1 versions.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
Iqonic Design KiviCare Affected: n/a , ≤ 4.2.1 (custom)
Create a notification for this product.
Credits
Jakub Herman | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-40784 (GCVE-0-2026-40784)

Vulnerability from cvelistv5 – Published: 2026-04-15 10:21 – Updated: 2026-04-29 09:52
VLAI
Title
WordPress FluentBoards plugin <= 1.91.2 - Insecure Direct Object References (IDOR) vulnerability
Summary
Authorization Bypass Through User-Controlled Key vulnerability in Mahmudul Hasan Arif FluentBoards fluent-boards allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects FluentBoards: from n/a through <= 1.91.2.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
Mahmudul Hasan Arif FluentBoards Affected: 0 , ≤ 1.91.2 (custom)
Create a notification for this product.
Date Public
2026-04-15 12:20
Credits
Jakub Herman | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-40768 (GCVE-0-2026-40768)

Vulnerability from cvelistv5 – Published: 2026-06-17 09:51 – Updated: 2026-06-17 15:28
VLAI
Title
WordPress Salon booking system plugin <= 10.30.24 - Insecure Direct Object References (IDOR) vulnerability
Summary
Unauthenticated Insecure Direct Object References (IDOR) in Salon booking system <= 10.30.24 versions.
Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
Dimitri Grassi Salon booking system Affected: n/a , ≤ 10.30.24 (custom)
Create a notification for this product.
Credits
Lubin Regnault | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design

For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.

Mitigation
Architecture and Design Implementation

Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.

Mitigation
Architecture and Design

Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.

No CAPEC attack patterns related to this CWE.

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