Vulnerability · Published Jun 26, 2026 · Assigned by GitHub_M
CVE-2026-52784OpenProject: CSRF on TARGET through /users/:id via POST parameter "user[admin]"
High 8.8
In plain English
A high-severity cross-site request forgery 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 15% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.2%top 84.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| opf | openproject | < 17.3.3>= 17.4.0, < 17.4.1 |
Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://github.com/opf/openproject/security/advisories/GHSA-6crw-7f5r-4qj9 x_refsource_CONFIRM