CVE-2026-52844
Caddy: Windows `file_server` path authorization bypass via encoded backslash
7.5
HIGH
CVSS 3.1
EPSS 0.41%
描述
Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, on Windows, Caddy path matchers treat /private\secret.txt as outside /private/*, but file_server later resolves the same request path as private\secret.txt on disk. An unauthenticated remote client can bypass Caddy path-scoped auth/deny routes protecting /private/*. This vulnerability is fixed in 2.11.4.
如何修補 CVE-2026-52844
要修補 CVE-2026-52844,請將受影響套件升級到下列已修補版本。
- —未列出修補版本
- —升級至 2.11.4 或更新版本
CVE-2026-52844 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, <= 1.0.5
- from 0, < 2.11.4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |