CVE-2026-118633
Quick assessment
Affected
Sophos SG UTM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Sophos UTM（所有版本）存在路径遍历漏洞，允许远程未认证攻击者在启用扫描功能的邮件代理场景中，通过持续数分钟的重複攻击赢得竞态条件，进而以 root 权限执行任意代码。由于 Sophos UTM 已停止支持（End-of-Life），补丁必须手动安装。
Possible ATT&CK Techniques 2 AI
T1552.001 · Credentials In Files T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-118633
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
路径遍历：’…/…//’
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-118633
| # | POC Description | Source Link | Shenlong Link |
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AI-Generated POC
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