CVE-2026-77133 Broken Access Control in extension "femanager" (femanager)
Logged-in users can escalate privileges by assigning themselves to arbitrary frontend usergroups via the femanager extension's default profile edit configuration.
- 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-2026-77133?
CVE-2026-77133 is a medium-severity vulnerability in TYPO3 Extension "femanager", published on 25 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The extension fails to restrict which frontend usergroups a logged-in user may assign to their own account when the profile edit plugin uses its default field configuration, allowing self-service privilege escalation into arbitrary frontend groups.
Weakness: CWE-862
Which versions are affected by CVE-2026-77133?
How do I fix CVE-2026-77133?
No fix has been published for CVE-2026-77133 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77133 being exploited?
There is no known exploitation of CVE-2026-77133 in the wild and no public exploit code.
Sources
Also known as GHSA-qjph-66v6-w5fp.