Contao applies improper access control in the back end voters
### Impact The table access voter in the back end doesn't check if a user is allowed to access the corresponding module. ### Patches Update to Contao 5.3.38 or 5.6.1. ### Workarounds Do not rely solely on the voter and additionally check `USER_CAN_ACCESS_MODULE`. ### For more information If you have any questions or comments about this advisory, open an issue in [contao/contao](https://github.com/contao/contao/issues/new/choose).
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-57758US | — | — | ||
Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, the table access voter in the back end doesn't check if a user is allowed to access the… | ||||
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references
External citations — patches, advisories, analysis.
- https://contao.org/en/security-advisories/improper-access-control-in-the-back-end-votersWEB
- https://github.com/contao/contaoPACKAGE
- https://github.com/contao/contao/commit/3f05c603e1c94d34819f837f060df5d66447d0d7WEB
- https://github.com/contao/contao/security/advisories/GHSA-7m47-r75r-cx8vWEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-57758ADVISORY
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