CVE-2026-52784 OpenProject: CSRF on TARGET through /users/:id via POST parameter "user[admin]"
Attackers can trick users into granting admin privileges via CSRF, leading to privilege escalation in OpenProject.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-52784?
CVE-2026-52784 is a high-severity vulnerability in opf openproject, published on 26 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is a CSRF on TARGET through /users/:id via POST parameter "user[admin]". This vulnerability is fixed in 17.3.3 and 17.4.1.
Weakness: CWE-352
Which versions are affected by CVE-2026-52784?
How do I fix CVE-2026-52784?
No fix has been published for CVE-2026-52784 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-52784 being exploited?
There is no known exploitation of CVE-2026-52784 in the wild and no public exploit code.
Sources
Also known as GHSA-6crw-7f5r-4qj9.