CVE-2026-77132 TYPO3 CMS - Information Disclosure via Backend Localization Wizard
Authenticated low-privileged backend users can access unauthorized record information due to missing authorization checks in the localization wizard.
- 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-2026-77132?
CVE-2026-77132 is a medium-severity missing authorization vulnerability in TYPO3 CMS, published on 8 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-77132?
How do I fix CVE-2026-77132?
No fix has been published for CVE-2026-77132 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-77132 being exploited?
There is no known exploitation of CVE-2026-77132 in the wild and no public exploit code.