CVE-2026-26067
1 advisory.
Packagist/october/system CVE-2026-26067: medium 4.9
October CMS has Safe Mode Bypass via CSS Preprocessor Compilers
Action: Upgrade october/system to 3.7.14 or later.
composer require october/system:3.7.14composer require october/system:4.1.10Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.7.14 | - |
| 4.0.0 | 4.1.10 | - |
Fixed versions
| 3.7.14 | 4.1.10 |
Sources
- osv: GHSA-3888-q23f-x7qh
- https://github.com/octobercms/october/security/advisories/GHSA-3888-q23f-x7qh
- https://nvd.nist.gov/vuln/detail/CVE-2026-26067
- https://github.com/octobercms/october
CVE-2026-26067 · published · modified · JSON