Authentication Bypass Vulnerability in OpenProject Web-Based Project Management Software
CVE-2026-27723

4.3MEDIUM

Key Information:

Vendor

Opf

Status
Openproject
Vendor
CVE Published:
5 March 2026

What is CVE-2026-27723?

OpenProject, a popular open-source web-based project management tool, is affected by an authentication bypass vulnerability that allows attackers to create wiki pages associated with projects for which they do not have permissions. This issue stems from improperly authenticated requests and has been resolved in versions 17.0.5 and 17.1.2. Users are strongly advised to update their installations to ensure protection against potential exploitation.

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Affected Version(s)

openproject < 17.0.5 < 17.0.5

openproject < 17.1.2 < 17.1.2

References

https://github.com/opf/openproject/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/opf/openproject/releases/tag/v17.0.5
x_refsource_MISC
https://github.com/opf/openproject/releases/tag/v17.1.2
x_refsource_MISC

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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