Medium severity · published Sep 8, 2026
CVE-2026-77132
TYPO3 CMS - Information Disclosure via Backend Localization Wizard
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
It has been discovered that several AJAX routes used for the backend localization wizard failed to perform authorization checks. This allowed authenticated, low-privileged backend users to access information about records and content elements that fall outside of their permitted range. Exploiting this vulnerability requires a low-privileged backend user account. This issue affects TYPO3 CMS versions 10.0.0-10.4.59, 11.0.0-11.5.53, 12.0.0-12.4.48, 13.0.0-13.4.34 and 14.0.0-14.3.6.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TC
TYPO3 CMS · TYPO3
10.0.0 before 10.4.60; 11.0.0 before 11.5.54; 12.0.0 before 12.4.49; 13.0.0 before 13.4.35; 14.0.0 before 14.3.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77132
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77132
github.com
https://github.com/TYPO3/typo3/commit/1c63ce806d1ccac839f4aa54ac7f48a22dd7ea64
github.com
https://github.com/TYPO3/typo3/commit/35e070fc654def838fbdc45562c2c095d44ca086
github.com
https://github.com/TYPO3/typo3/commit/c232421325bd18fc4d13efac0fc018a57da2dcd6
news.typo3.com
https://news.typo3.com/security/advisory/typo3-core-sa-2026-022
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