Auth bypass in TYPO3 Extension "Femanager"

CVE-2026-77133

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.

Vulnerability class: Broken Access Control

Published · last modified .

EPSS exploit prediction

EPSS: 0.004 (26.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-77133: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

References