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  5. CVE-2026-27611

CVE-2026-27611: FileBrowser Quantum: Password Protection Not Enforced on Shared File Links

February 25, 2026 (updated April 27, 2026)

When users share password-protected files, the recipient can completely bypass the password and still download the file.

References

  • github.com/advisories/GHSA-8vrh-3pm2-v4v6
  • github.com/gtsteffaniak/filebrowser/commit/a8c9b9419ec530568991a2f72cec4ed263f99e3c
  • github.com/gtsteffaniak/filebrowser/commit/c51b0ee9738fa4599b409f47c5bf820ef31b4fe1
  • github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-8vrh-3pm2-v4v6
  • nvd.nist.gov/vuln/detail/CVE-2026-27611
  • pkg.go.dev/vuln/GO-2026-4546

Code Behaviors & Features

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Affected versions

All versions before 0.0.0-20260221163904-dbcfba993b85

Fixed versions

  • 0.0.0-20260221163904-dbcfba993b85

Solution

Upgrade to version 0.0.0-20260221163904-dbcfba993b85 or above.

Impact 6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-288: Authentication Bypass Using an Alternate Path or Channel
  • CWE-602: Client-Side Enforcement of Server-Side Security

Source file

go/github.com/gtsteffaniak/filebrowser/backend/CVE-2026-27611.yml

Spotted a mistake? Edit the file on GitLab.

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