High severity · published Aug 25, 2026
CVE-2026-77146
Broken Access Control in extension "femanager" (femanager)
8.3
CVSS
0.4%
EPSS
No
On KEV
Description
The extension's invitation controller fails to stop processing after redirecting on invalid input (missing hash, non-existent, disabled, or deleted users), allowing an unauthenticated attacker to set a new password for and re-enable an arbitrary existing frontend user account. This vulnerability is only present in the 8.x versions of the extension.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EF
Extension "femanager" · TYPO3
8.0.0 before 8.4.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77146
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77146
typo3.org
https://typo3.org/security/advisory/typo3-ext-sa-2026-024
More from Extension "femanager"
8.3
CVE-2026-77134
Broken Access Control in extension "femanager" (femanager)
8.2
CVE-2026-77135
Information Disclosure in extension "femanager" (femanager)
6.0
CVE-2026-77133
Broken Access Control in extension "femanager" (femanager)