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.
Project Subscriptions
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Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-qrp7-cvwr-j2c6 | Caddy: Windows `file_server` path authorization bypass via encoded backslash |
Fixes
Solution
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Workaround
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References
History
Tue, 23 Jun 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Tue, 23 Jun 2026 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Caddy: Windows `file_server` path authorization bypass via encoded backslash | |
| Weaknesses | CWE-22 CWE-284 |
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| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-23T20:06:12.019Z
Reserved: 2026-06-08T18:41:27.724Z
Link: CVE-2026-52844
Updated: 2026-06-23T20:06:06.864Z
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OpenCVE Enrichment
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Github GHSA