What is the CVSS score of CVE-2026-24775?

CVE-2026-24775 has a CVSS 3.1 base score of 6.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H. EPSS exploitation probability: 0.0%.

Which versions of Openproject are affected by CVE-2026-24775?

Organizations using OpenProject should be aware of moderate risk from CVE-2026-24775 rated CVSS 6.3. Exploitation could compromise the security of affected deployments.. A patch is available.

How to fix or mitigate CVE-2026-24775?

Within 30 days: Identify affected systems running OpenProject and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Openproject CVE-2026-24775

MEDIUM

Insufficient Verification of Data Authenticity (CWE-345)

2026-01-28 security-advisories@github.com

Authentication Bypass Openproject

6.3

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

6.3 MEDIUM

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

Patch released

Feb 12, 2026 - 20:36 nvd

Patch available

CVE Published

Jan 28, 2026 - 19:16 nvd

MEDIUM 6.3

DescriptionGitHub Advisory

OpenProject is an open-source, web-based project management software. In the new editor for collaborative documents based on BlockNote, OpenProject maintainers added a custom extension in OpenProject version 17.0.0 that allows to mention OpenProject work packages in the document. To show work package details, the editor loads details about the work package via the OpenProject API. For this API call, the extension to the BlockNote editor did not properly validate the given work package ID to be only a number. This allowed an attacker to generate a document with relative links that upon opening could make arbitrary GET requests to any URL within the OpenProject instance. This issue was patched in version version 0.0.22 of op-blocknote-extensions, which was shipped with OpenProject 17.0.2. If users cannot update immediately to version 17.0.2 of OpenProject, administrators can disable collaborative document editing in Settings -> Documents -> Real time collaboration -> Disable.

AnalysisAI

Insufficient input validation in OpenProject's BlockNote editor extension allows authenticated users to craft malicious documents containing relative links that trigger arbitrary GET requests to any URL within the OpenProject instance when opened. An attacker with document creation privileges can exploit this to access sensitive information or perform unauthorized actions on behalf of other users. A patch is available in OpenProject 17.0.2 and op-blocknote-extensions 0.0.22.

Technical ContextAI

Classified as CWE-345 (Insufficient Verification of Data Authenticity). Affects Openproject. OpenProject is an open-source, web-based project management software. In the new editor for collaborative documents based on BlockNote, OpenProject maintainers added a custom extension in OpenProject version 17.0.0 that allows to mention OpenProject work packages in the document. To show work package details, the editor loads details about the work package via the OpenProject API. For this API call, the extension to the BlockNote editor did not properly validate the given work package ID to be o