CVE-2026-118633

A path traversal vulnerability allows a remote unauthenticated attacker to execute arbitrary code as root in Sophos UTM (all versions) after winning a race condition by sustaining repeated attacks for a few minutes when the email proxy is used with scanning enabled. Sophos UTM is end-of-life and the patch must be installed manually.

Score

CVSS 4.0 9.2 Critical

Status

Received - security-alert@sophos.com

Published

2026-10-28

Last modified

2026-10-28

Weaknesses

CWE-35

Affected products

• Sg Utm (Sophos)

References

• https://www.sophos.com/en-us/security-advisories/sophos-sa-20261028-utm-rce