CVE-2026-26067

MEDIUM

4.9

Description

October is a Content Management System (CMS) and web platform. Prior to 3.7.14 and 4.1.10, a server-side information disclosure vulnerability was identified in the handling of CSS preprocessor files. Backend users with Editor permissions could craft .less, .sass, or .scss files that leverage the compiler's import functionality to read arbitrary files from the server. This worked even with cms.safe_mode enabled. This vulnerability is fixed in 3.7.14 and 4.1.10.

Details CVE

Score CVSS v3.14.9

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie4/21/2026

Derniere modification4/22/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-184CWE-863

References

https://github.com/octobercms/october/security/advisories/GHSA-3888-q23f-x7qh(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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