Description
TYPO3's cache frontend (VariableFrontend) and persistent key-value store (Registry) deserialized PHP payloads without integrity validation or class restrictions. An attacker with write access to the underlying storage backend (cache store or sys_registry database table) could inject a crafted serialized payload to trigger PHP Object Injection, potentially exploiting a gadget chain to achieve Remote Code Execution or other high-impact effects. Exploiting this vulnerability requires direct local write access to the storage, such as the SQL database or file system. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TYPO3 | TYPO3 CMS | < 10.4.57, 11.0.0 – < 11.5.51, 12.0.0 – < 12.4.46, 13.0.0 – < 13.4.31, 14.0.0 – < 14.3.3 | 10.4.57 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | typo3/cms-core | < 10.4.57 | 10.4.57 | GHSA-c78m-c52x-jgwp |
| Packagist | typo3/cms-core | >= 11.0.0, < 11.5.51 | 11.5.51 | GHSA-c78m-c52x-jgwp |
| Packagist | typo3/cms-core | >= 12.0.0, < 12.4.46 | 12.4.46 | GHSA-c78m-c52x-jgwp |
| Packagist | typo3/cms-core | >= 13.0.0, < 13.4.31 | 13.4.31 | GHSA-c78m-c52x-jgwp |
| Packagist | typo3/cms-core | >= 14.0.0, < 14.3.3 | 14.3.3 | GHSA-c78m-c52x-jgwp |
Advisories 1
- WID-SEC-2026-1835 TYPO3 Core: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 9, 2026
References
- https://typo3.org/security/advisory/typo3-core-sa-2026-018 vendor-advisory
- Git commit of main branch patch
- Git commit of 13.4 branch patch