Vulnerability · Published Mar 5, 2026 · Assigned by GitHub_M
CVE-2026-27723OpenProject: Insufficient access control leads to create Wiki objects belongs unpermitted projects
Medium 4.3
In plain English
A medium-severity improper access control in openproject from opf. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 84.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| opf | openproject | < 17.0.5< 17.1.2 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- https://github.com/opf/openproject/security/advisories/GHSA-9gc6-3xjq-pwc9 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