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...

CriticalCVSS 9.2 EPSS 0.60%

Published: 2026-10-28 20:45
Updated: 2026-11-05 19:17
Exploit status: No public exploit known

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.

Affected products

Product	Affected versions	Fixed in
sophos SG UTM	<= 9.724	No fix listed

References

www.sophos.com

CVSS v4.0

9.2 Critical

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

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: Present
Privileges Required: None
User Interaction: None
Vulnerable System Confidentiality: High
Vulnerable System Integrity: High
Vulnerable System Availability: High
Subsequent System Confidentiality: None
Subsequent System Integrity: None
Subsequent System Availability: None

All scores (4)

v4.0 9.2 · sophos
v4.0 9.2 · security-alert@sophos.com
v3.1 8.1 · sophos
v3.1 8.1 · security-alert@sophos.com

Weakness & likelihood

EPSS (exploitation probability, 30 days): 0.60% (percentile 48.9)
CWE: CWE-35 The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory.

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.