CVE-2026-118633 Sophos UTM - Path Traversal

Sophos UTM contains a path traversal caused by a race condition in the email proxy with scanning enabled, letting remote unauthenticated attackers execute arbitrary code as root after sustained repeated attacks.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Path Traversal
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-35

Vendor fix

Manually install the available patch as Sophos UTM is end-of-life.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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