cbcvebase.
CVE-2026-77132
published 2026-09-08

CVE-2026-77132: It has been discovered that several AJAX routes used for the backend localization wizard failed to perform authorization checks. This allowed authenticated…

PriorityP337medium5.3CVSS 4.0
AVNACLATNPRLUINVCLVINVANSCNSINSANEXCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRXVXREXUX
EPSS
0.41%
34.4th percentile
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.

Affected

5 ranges
VendorProductVersion rangeFixed in
typo3typo3_cms>= 10.0.0 < 10.4.6010.4.60
typo3typo3_cms>= 11.0.0 < 11.5.5411.5.54
typo3typo3_cms>= 12.0.0 < 12.4.4912.4.49
typo3typo3_cms>= 13.0.0 < 13.4.3513.4.35
typo3typo3_cms>= 14.0.0 < 14.3.714.3.7
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.