CVE-2026-118633

Path‑Traversal Remote Code Execution Risk in Sophos SG UTM Email Proxy

Published Oct 28, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Sophos
Sophos sg Utm
Vendors & Products Sophos
Sophos sg Utm
Type Values Removed Values Added
Title Path‑Traversal Remote Code Execution Risk in Sophos SG UTM Email Proxy
Type Values Removed Values Added
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.
Weaknesses CWE-35
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Sophos
Published
Updated
Nov 5, 2026, 4:50 PM
Reserved
Oct 28, 2026, 5:01 PM
Status
Awaiting Analysis
Published
Oct 28, 2026, 7:17 PM
Modified
Nov 5, 2026, 5:17 PM