CVE-2026-44732: CWE-639: Authorization Bypass Through User-Controlled Key in opf openproject
OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, OpenProject exposes a document update endpoint used to modify existing documents. The target document is loaded with visibility checks and then updated. During update, attacker-controlled attributes are applied to the persisted record before authorization is enforced. As a result, a user without :manage_documents in the source project can move and modify foreign project documents by setting project_id in a single PATCH request. This vulnerability is fixed in 17.3.2 and 17.4.0.
AI Analysis
Technical Summary
OpenProject's document update endpoint loads the target document with visibility checks but applies attacker-controlled attributes to the persisted record before enforcing authorization. This sequence allows a user lacking the :manage_documents permission in the source project to change the project_id attribute and thereby move or modify documents belonging to other projects. The vulnerability is identified as CWE-639 (Authorization Bypass Through User-Controlled Key). It affects all versions prior to 17.3.2 and versions from 17.3.0 up to but not including 17.4.0. The issue is resolved in OpenProject versions 17.3.2 and 17.4.0.
Potential Impact
An attacker with limited privileges can bypass authorization controls to modify or relocate documents in projects they do not have manage_documents rights for. This leads to unauthorized integrity impact on project documents but does not affect confidentiality or availability. The CVSS v3.1 base score is 4.3 (medium severity), reflecting a network attack vector with low complexity and low privileges required, resulting in limited integrity impact without user interaction.
Mitigation Recommendations
A fix is available in OpenProject versions 17.3.2 and 17.4.0. Users should upgrade to at least one of these versions to remediate the vulnerability. No vendor advisory is provided to indicate alternative mitigations or temporary fixes. Patch status is confirmed by the version information in the description.
CVE-2026-44732: CWE-639: Authorization Bypass Through User-Controlled Key in opf openproject
Description
OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, OpenProject exposes a document update endpoint used to modify existing documents. The target document is loaded with visibility checks and then updated. During update, attacker-controlled attributes are applied to the persisted record before authorization is enforced. As a result, a user without :manage_documents in the source project can move and modify foreign project documents by setting project_id in a single PATCH request. This vulnerability is fixed in 17.3.2 and 17.4.0.
CVSS v3.1
Score 4.3medium
Affected software
pkg:github/opf/openprojectRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
OpenProject's document update endpoint loads the target document with visibility checks but applies attacker-controlled attributes to the persisted record before enforcing authorization. This sequence allows a user lacking the :manage_documents permission in the source project to change the project_id attribute and thereby move or modify documents belonging to other projects. The vulnerability is identified as CWE-639 (Authorization Bypass Through User-Controlled Key). It affects all versions prior to 17.3.2 and versions from 17.3.0 up to but not including 17.4.0. The issue is resolved in OpenProject versions 17.3.2 and 17.4.0.
Potential Impact
An attacker with limited privileges can bypass authorization controls to modify or relocate documents in projects they do not have manage_documents rights for. This leads to unauthorized integrity impact on project documents but does not affect confidentiality or availability. The CVSS v3.1 base score is 4.3 (medium severity), reflecting a network attack vector with low complexity and low privileges required, resulting in limited integrity impact without user interaction.
Mitigation Recommendations
A fix is available in OpenProject versions 17.3.2 and 17.4.0. Users should upgrade to at least one of these versions to remediate the vulnerability. No vendor advisory is provided to indicate alternative mitigations or temporary fixes. Patch status is confirmed by the version information in the description.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-07T18:04:17.309Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3edc0372d29f1837f4649e
Added to database: 06/26/2026, 20:07:31 UTC
Last enriched: 07/03/2026, 22:30:02 UTC
Last updated: 08/10/2026, 00:41:16 UTC
Views: 55
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