What is CVE-2026-22605?

CVE-2026-22605 is a medium-severity vulnerability in Openproject, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-01-10.

How severe is CVE-2026-22605?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Openproject

CVE-2026-22605

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.

EPSS: 0.002 (9.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Openproject
Opf Openproject — versions < 16.6.3

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-22605?: CVE-2026-22605 is a medium-severity vulnerability in Openproject, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-01-10.
How severe is CVE-2026-22605?: Medium severity. CVSS v3 base score is 4.3 out of 10.