CVE-2026-118633

High

Description

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.

SeverityHigh
CVSS8.1
Exploit probability—
ProductSG UTM
PublishedOct 28, 2026
First seenNov 4, 2026
Weakness typeCWE-35CWE-35

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Sophos SG UTMv ≤ 9.724—

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CVE-2026-118633 · SG UTM · Dark Radar