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EUVD-2026-234408

2026-10-27T08:56:31.131553+00:00

EUVD-2026-234408

fkie_cve-2022-21705

2026-10-27T08:56:31.131585+00:00

Octobercms is a self-hosted CMS platform based on the Laravel PHP Framework. In affected versions user input was not properly sanitized before rendering. An authenticated user with the permissions to create, modify and delete website pages can exploit this vulnerability to bypass `cms.safe_mode` / `cms.enableSafeMode` in order to execute arbitrary code. This issue only affects admin panels that rely on safe mode and restricted permissions. To exploit this vulnerability, an attacker must first have access to the backend area. The issue has been patched in Build 474 (v1.0.474) and v1.1.10. Users unable to upgrade should apply https://github.com/octobercms/library/commit/c393c5ce9ca2c5acc3ed6c9bb0dab5ffd61965fe to your installation manually.

GHSA-79jw-2f46-wv22 — Authenticated remote code execution in October CMS

2026-10-27T08:56:31.131623+00:00

Affected: Packagist: october/system

### Impact

An authenticated user with the permissions to create, modify and delete website pages can exploit this vulnerability to bypass `cms.safe_mode` / `cms.enableSafeMode` in order to execute arbitrary code.

- This issue only affects admin panels that rely on safe mode and restricted permissions. - To exploit this vulnerability, an attacker must first have access to the backend area.

### Patches

The issue has been patched in Build 474 (v1.0.474) and v1.1.10.

### Workarounds

Apply https://github.com/octobercms/library/commit/c393c5ce9ca2c5acc3ed6c9bb0dab5ffd61965fe to your installation manually if unable to upgrade to Build 474 or v1.1.10.

### References

Credits to: - David Miller

### For more information

If you have any questions or comments about this advisory: - Email us at [hello@octobercms.com](mailto:hello@octobercms.com)

gsd-2022-21705

2026-10-27T08:56:31.131695+00:00

gsd-2022-21705