GHSA-h6jm-f4hh-fw27 · Severity: medium · Ecosystem: composer — October CMS has Safe Mode Bypass via Twig Database Write Operations
October is a Content Management System (CMS) and web platform. Prior to 3.7.14 and 4.1.10, a vulnerability was identified in the Twig sandbox security policy that allowed database write operations when cms.safe_mode is enabled. Backend users with Developer permissions could use Twig template markup to execute insert, update, and delete operations on any database table through the query builder, which is included in the sandbox allow-list. This vulnerability is fixed in 3.7.14 and 4.1.10.
Conclusion & alert: CVE-2026-26274 is rated Low Risk (32.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-22 | — | 0.05% | — |
Full EPSS history (1 record total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.6 | 3.1 | MEDIUM |
|
0.7 | 5.9 | [email protected] |
GHSA-h6jm-f4hh-fw27 · Severity: medium · Ecosystem: composer — October CMS has Safe Mode Bypass via Twig Database Write Operations
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| No affected products in dataset. | |||