SB2026090863 - Multiple vulnerabilities in TYPO3

Description

This security bulletin contains information about 2 vulnerabilities.

1) Missing Authorization (CVE-ID: CVE-2026-85400)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to compromise the target system.

The vulnerability exists due to missing authorization check in lowlevel commands. A remote administrator can modify arbitrary system configuration and gain elevated privileges on the system.

2) Missing Authorization (CVE-ID: CVE-2026-77132)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to missing authorization check in backend localization wizard. A remote user can gain access to information about records and content elements.

Remediation

Install update from vendor's website.

References

• https://typo3.org/security/advisory/typo3-core-sa-2026-023/
• https://typo3.org/security/advisory/typo3-core-sa-2026-022/