Auth bypass in Openproject
CVE-2026-24777
OpenProject is an open-source, web-based project management software. Prior to 17.0.2, users with the Manage Users permission can lock and unlock users. This functionality should only be possible for users of the application, but they were not supposed to be able to lock application administrators. Due to a missing permission check this logic was not enforced. The problem was fixed in OpenProject 17.0.2The problem was fixed in OpenProject 17.0.2.
Vulnerability class: Broken Access Control
EPSS: 0.003 (24.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H.
Affected products
- Openproject
- Opf Openproject — versions < 17.0.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-24777?
- CVE-2026-24777 is a medium-severity vulnerability in Openproject, classified under Missing Authorization. CVSS score: 6.7/10. Published 2026-02-09.
- How severe is CVE-2026-24777?
- Medium severity. CVSS v3 base score is 6.7 out of 10.