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CVE-2026-52844

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:101cae5ade325173c4baf4dc21485fd180fc13a0f9837c75e3a6cda2a6a3fa59
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:69955c8e1a64bbbda052ee3b055dcd3a5d03f34b67e3fd1fd8eeec29dea59d3d · sha256:a8e97e1bd0bf40fd… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:69955c8e1a64bbbda052ee3b055dcd3a5d03f34b67e3fd1fd8eeec29dea59d3d · sha256:a8e97e1bd0bf40fd… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"caddy","vendor":"caddyserver","versions":[{"status":"affected","version":"< 2.11.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:69955c8e1a64bbbda052ee3b055dcd3a5d03f34b67e3fd1fd8eeec29dea59d3d · sha256:a8e97e1bd0bf40fd… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:69955c8e1a64bbbda052ee3b055dcd3a5d03f34b67e3fd1fd8eeec29dea59d3d · sha256:a8e97e1bd0bf40fd… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:69955c8e1a64bbbda052ee3b055dcd3a5d03f34b67e3fd1fd8eeec29dea59d3d · sha256:a8e97e1bd0bf40fd… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:69955c8e1a64bbbda052ee3b055dcd3a5d03f34b67e3fd1fd8eeec29dea59d3d · sha256:a8e97e1bd0bf40fd… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-qrp7-cvwr-j2c6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69955c8e1a64bbbda052ee3b055dcd3a5d03f34b67e3fd1fd8eeec29dea59d3d · sha256:a8e97e1bd0bf40fd… · /containers/adp/0/references/0
{"name":"https://github.com/caddyserver/caddy/security/advisories/GHSA-qrp7-cvwr-j2c6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-qrp7-cvwr-j2c6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69955c8e1a64bbbda052ee3b055dcd3a5d03f34b67e3fd1fd8eeec29dea59d3d · sha256:a8e97e1bd0bf40fd… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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