CVE-2026-27723 PUBLISHED

OpenProject: Insufficient access control leads to create Wiki objects belongs unpermitted projects

Assigner: GitHub_M
Reserved: 23.02.2026 Published: 05.03.2026 Updated: 06.03.2026

OpenProject is an open-source, web-based project management software. Prior to versions 17.0.5 and 17.1.2, an attacker can create wiki pages belonging to unpermitted projects through an improperly authenticated request. This issue has been patched in versions 17.0.5 and 17.1.2.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	opf
Product	openproject
Versions	Version < 17.0.5 is affected Version < 17.1.2 is affected

References

https://github.com/opf/openproject/security/advisories/GHSA-9gc6-3xjq-pwc9
https://github.com/opf/openproject/releases/tag/v17.0.5
https://github.com/opf/openproject/releases/tag/v17.1.2

Problem Types

CWE-284: Improper Access Control CWE