CWE-434
Unrestricted Upload of File with Dangerous Type
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
CVE-2026-2978 (GCVE-0-2026-2978)
Vulnerability from cvelistv5 – Published: 2026-02-23 07:32 – Updated: 2026-02-23 13:15
VLAI
Title
FastApiAdmin Scheduled Task API controller.py upload_file_controller unrestricted upload
Summary
A vulnerability was detected in FastApiAdmin up to 2.2.0. This vulnerability affects the function upload_file_controller of the file /backend/app/api/v1/module_system/params/controller.py of the component Scheduled Task API. Performing a manipulation results in unrestricted upload. The attack can be initiated remotely. The exploit is now public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347362 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.347362 | signaturepermissions-required |
| https://vuldb.com/?submit.756155 | third-party-advisory |
| https://github.com/CC-T-454455/Vulnerabilities/tr… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | FastApiAdmin |
Affected:
2.0
Affected: 2.1 Affected: 2.2.0 |
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CVE-2026-2979 (GCVE-0-2026-2979)
Vulnerability from cvelistv5 – Published: 2026-02-23 08:02 – Updated: 2026-02-23 13:07
VLAI
Title
FastApiAdmin Scheduled Task API controller.py user_avatar_upload_controller unrestricted upload
Summary
A flaw has been found in FastApiAdmin up to 2.2.0. This issue affects the function user_avatar_upload_controller of the file /backend/app/api/v1/module_system/user/controller.py of the component Scheduled Task API. Executing a manipulation can lead to unrestricted upload. The attack can be launched remotely. The exploit has been published and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347363 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.347363 | signaturepermissions-required |
| https://vuldb.com/?submit.756156 | third-party-advisory |
| https://github.com/CC-T-454455/Vulnerabilities/tr… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | FastApiAdmin |
Affected:
2.0
Affected: 2.1 Affected: 2.2.0 |
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CVE-2026-3025 (GCVE-0-2026-3025)
Vulnerability from cvelistv5 – Published: 2026-02-23 20:02 – Updated: 2026-02-25 15:02
VLAI
Title
ShuoRen Smart Heating Integrated Management Platform ExampleNodeService.asmx unrestricted upload
Summary
A flaw has been found in ShuoRen Smart Heating Integrated Management Platform 1.0.0. Affected by this vulnerability is an unknown functionality of the file /MP/Service/Webservice/ExampleNodeService.asmx. Executing a manipulation of the argument File can lead to unrestricted upload. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347381 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.347381 | signaturepermissions-required |
| https://vuldb.com/?submit.756376 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ShuoRen | Smart Heating Integrated Management Platform |
Affected:
1.0.0
|
Credits
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CVE-2026-30804 (GCVE-0-2026-30804)
Vulnerability from cvelistv5 – Published: 2026-04-13 15:44 – Updated: 2026-04-13 19:23
VLAI
Title
Unrestricted File Upload in Extension Uploader leads to Remote Code Execution
Summary
Unrestricted Upload of File with Dangerous Type vulnerability allows Remote Code Execution via file upload. This issue affects Pandora FMS: from 777 through 800
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted upload of file with dangerous type
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Pandora FMS | Pandora FMS |
Affected:
777 , ≤ 800
(custom)
|
Date Public
2026-04-13 15:45
Credits
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CVE-2026-30821 (GCVE-0-2026-30821)
Vulnerability from cvelistv5 – Published: 2026-03-07 05:07 – Updated: 2026-03-09 20:44
VLAI
Title
Flowise: Arbitrary File Upload via MIME Spoofing
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.0.13, the /api/v1/attachments/:chatflowId/:chatId endpoint is listed in WHITELIST_URLS, allowing unauthenticated access to the file upload API. While the server validates uploads based on the MIME types defined in chatbotConfig.fullFileUpload.allowedUploadFileTypes, it implicitly trusts the client-provided Content-Type header (file.mimetype) without verifying the file's actual content (magic bytes) or extension (file.originalname). Consequently, an attacker can bypass this restriction by spoofing the Content-Type as a permitted type (e.g., application/pdf) while uploading malicious scripts or arbitrary files. Once uploaded via addArrayFilesToStorage, these files persist in backend storage (S3, GCS, or local disk). This vulnerability serves as a critical entry point that, when chained with other features like static hosting or file retrieval, can lead to Stored XSS, malicious file hosting, or Remote Code Execution (RCE). This issue has been patched in version 3.0.13.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | x_refsource_CONFIRM |
| https://github.com/FlowiseAI/Flowise/releases/tag… | x_refsource_MISC |
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CVE-2026-3187 (GCVE-0-2026-3187)
Vulnerability from cvelistv5 – Published: 2026-02-25 14:32 – Updated: 2026-02-25 20:55 X_Open Source
VLAI
Title
feiyuchuixue sz-boot-parent API Endpoint upload unrestricted upload
Summary
A vulnerability was identified in feiyuchuixue sz-boot-parent up to 1.3.2-beta. Affected by this issue is some unknown functionality of the file /api/admin/sys-file/upload of the component API Endpoint. Such manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit is publicly available and might be used. Upgrading to version 1.3.3-beta can resolve this issue. The name of the patch is aefaabfd7527188bfba3c8c9eee17c316d094802. Upgrading the affected component is recommended. The project was informed beforehand and acted very professional: "We have introduced a whitelist restriction on the /api/admin/sys-file/upload endpoint via the oss.allowedExts and oss.allowedMimeTypes configuration options, allowing the specification of permitted file extensions and MIME types for uploads."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347745 | vdb-entry |
| https://vuldb.com/?ctiid.347745 | signaturepermissions-required |
| https://vuldb.com/?submit.754038 | third-party-advisory |
| https://github.com/yuccun/CVE/blob/main/sz-boot-p… | exploit |
| https://github.com/feiyuchuixue/sz-boot-parent/co… | patch |
| https://github.com/feiyuchuixue/sz-boot-parent/re… | patch |
| https://github.com/feiyuchuixue/sz-boot-parent/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| feiyuchuixue | sz-boot-parent |
Affected:
1.3.2-beta
Unaffected: 1.3.3-beta |
Credits
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CVE-2026-32278 (GCVE-0-2026-32278)
Vulnerability from cvelistv5 – Published: 2026-03-23 21:28 – Updated: 2026-03-24 18:41
VLAI
Title
Connect CMS has Stored Cross-site Scripting (XSS) in the File Field of its Form Plugin
Summary
Connect-CMS is a content management system. In versions on the 1.x series up to and including 1.41.0 and versions on the 2.x series up to and including 2.41.0, a Stored Cross-site Scripting (XSS) issue exists in the file field of the Form Plugin. Versions 1.41.1 and 2.41.1 contain a patch.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/opensource-workshop/connect-cm… | x_refsource_CONFIRM |
| https://github.com/opensource-workshop/connect-cm… | x_refsource_MISC |
| https://github.com/opensource-workshop/connect-cm… | x_refsource_MISC |
| https://github.com/opensource-workshop/connect-cm… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| opensource-workshop | connect-cms |
Affected:
< 1.41.1
Affected: >= 2.0.0, < 2.41.1 |
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CVE-2026-32482 (GCVE-0-2026-32482)
Vulnerability from cvelistv5 – Published: 2026-03-25 16:14 – Updated: 2026-04-29 09:52
VLAI
Title
WordPress Ona theme < 1.24 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in deothemes Ona ona allows Upload a Web Shell to a Web Server.This issue affects Ona: from n/a through < 1.24.
Severity
9.9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Theme/o… | vdb-entry |
Date Public
2026-03-25 17:12
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CVE-2026-32523 (GCVE-0-2026-32523)
Vulnerability from cvelistv5 – Published: 2026-03-25 16:15 – Updated: 2026-04-29 09:52
VLAI
Title
WordPress WPJAM Basic plugin <= 6.9.2 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in denishua WPJAM Basic wpjam-basic allows Using Malicious Files.This issue affects WPJAM Basic: from n/a through <= 6.9.2.
Severity
9.9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| denishua | WPJAM Basic |
Affected:
n/a , ≤ <= 6.9.2
(custom)
|
Date Public
2026-03-25 17:12
Credits
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CVE-2026-32524 (GCVE-0-2026-32524)
Vulnerability from cvelistv5 – Published: 2026-03-25 16:15 – Updated: 2026-04-29 09:52
VLAI
Title
WordPress Photo Engine plugin <= 6.4.9 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in Jordy Meow Photo Engine wplr-sync allows Upload a Web Shell to a Web Server.This issue affects Photo Engine: from n/a through <= 6.4.9.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Jordy Meow | Photo Engine |
Affected:
n/a , ≤ <= 6.4.9
(custom)
|
Date Public
2026-03-25 17:12
Credits
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Mitigation
Phase: Architecture and Design
Description:
- Generate a new, unique filename for an uploaded file instead of using the user-supplied filename, so that no external input is used at all.[REF-422] [REF-423]
Mitigation ID: MIT-21
Phase: Architecture and Design
Strategy: Enforcement by Conversion
Description:
- When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
Mitigation
Phase: Architecture and Design
Description:
- Consider storing the uploaded files outside of the web document root entirely. Then, use other mechanisms to deliver the files dynamically. [REF-423]
Mitigation ID: MIT-5
Phase: Implementation
Strategy: Input Validation
Description:
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- For example, limiting filenames to alphanumeric characters can help to restrict the introduction of unintended file extensions.
Mitigation
Phase: Architecture and Design
Description:
- Define a very limited set of allowable extensions and only generate filenames that end in these extensions. Consider the possibility of XSS (CWE-79) before allowing .html or .htm file types.
Mitigation
Phase: Implementation
Strategy: Input Validation
Description:
- Ensure that only one extension is used in the filename. Some web servers, including some versions of Apache, may process files based on inner extensions so that "filename.php.gif" is fed to the PHP interpreter.[REF-422] [REF-423]
Mitigation
Phase: Implementation
Description:
- When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
Mitigation ID: MIT-15
Phase: Architecture and Design
Description:
- For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Phase: Implementation
Description:
- Do not rely exclusively on sanity checks of file contents to ensure that the file is of the expected type and size. It may be possible for an attacker to hide code in some file segments that will still be executed by the server. For example, GIF images may contain a free-form comments field.
Mitigation
Phase: Implementation
Description:
- Do not rely exclusively on the MIME content type or filename attribute when determining how to render a file. Validating the MIME content type and ensuring that it matches the extension is only a partial solution.
Mitigation ID: MIT-17
Phases: Architecture and Design, Operation
Strategy: Environment Hardening
Description:
- Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation ID: MIT-22
Phases: Architecture and Design, Operation
Strategy: Sandbox or Jail
Description:
- Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
- OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs
In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.