Vulnerability · Published Jan 10, 2026 · Assigned by GitHub_M
CVE-2026-22605OpenProject is Vulnerable to Insecure Direct Object Reference in Meetings
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 14% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 86.2% 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. OpenProject versions prior to version 16.6.3, allowed users with the View Meetings permission on any project, to access meeting details of meetings that belonged to projects, the user does not have access to. This issue has been patched in version 16.6.3.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| opf | openproject | < 16.6.3 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- https://github.com/opf/openproject/security/advisories/GHSA-fq4m-pxvm-8x2j x_refsource_CONFIRM
- https://github.com/opf/openproject/releases/tag/v16.6.3 x_refsource_MISC