CVE-2020-26231: Bypass of fix for CVE-2020-15247, Twig sandbox escape

medium Affects october/cms. Feed 2026.10.29.1, updated 2026-10-28; published 2020-11-23; advisory modified 2026-09-10.

Bypass of fix for CVE-2020-15247, Twig sandbox escape

Package: october/cms Composer
Affected versions: >=1.0.469 and <1.0.470
Fixed in: 1.0.470
Severity: medium CVSS 5.2
Exploitation: not on CISA KEV · EPSS 0% (21.8th percentile)
Published: 2020-11-23
Source: osv.dev

References

CWE-862

NVD record october/cms advisories

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Related advisories

CVE-2017-1000119 high October CMS PHP Code Execution same package: october/cms
CVE-2020-5295 medium Local File read vulnerability in OctoberCMS same package: october/cms
CVE-2020-15246 high Local File Inclusion by unauthenticated users same package: october/cms
CVE-2020-5296 medium Arbitrary File Deletion vulnerability in OctoberCMS same package: october/cms
CVE-2020-5297 low Upload whitelisted files to any directory in OctoberCMS same package: october/cms
CVE-2020-15247 medium Twig Sandbox Escape by authenticated users with access to editing CMS templates when safem same package: october/cms