CVE-2026-117536 REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-117536?
CVE-2026-117536 is a high-severity vulnerability in redaxo core, published on 27 Oct 2026.
Official description
REDAXO before 5.21.3 contains a cross-site request forgery vulnerability in the backend user administration page (users/users) because the CSRF token check only runs when the save parameter is set, while the update path triggered by FUNC_UPDATE does not require it. Attackers can lure a logged-in backend user with the users[] permission to a crafted GET link to grant administrator rights, deactivate accounts, or lock out the sole administrator.
Weakness: CWE-352
Which versions are affected by CVE-2026-117536?
How do I fix CVE-2026-117536?
No fix has been published for CVE-2026-117536 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-117536 being exploited?
There is no known exploitation of CVE-2026-117536 in the wild and no public exploit code.
Sources
Also known as GHSA-4rqm-5495-h9jx, GHSA-mrrj-4f5x-j958.