CVE-2026-35605: File Browser has an access rule bypass via HasPrefix without trailing separator in path matching

CVE-2026-35605 · Severity: medium · CVSS 4 · Published 2026-06-25

File Browser has an access rule bypass via HasPrefix without trailing separator in path matching in github.com/filebrowser/filebrowser

Technologies: github.com/filebrowser/filebrowser (Go), github.com/filebrowser/filebrowser/v2 (Go). Vendors: Go.

Quick answers

Is CVE-2026-35605 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-35605 being exploited in the wild.
How severe is CVE-2026-35605?
Medium severity, with a CVSS score of 4, published 25 June 2026.
Which products and versions are affected?
github.com/filebrowser/filebrowser (Go) SEMVER:introduced=0; github.com/filebrowser/filebrowser/v2 (Go) SEMVER:introduced=0,fixed=2.63.1.
Is there a fix for CVE-2026-35605?
Yes. github.com/filebrowser/filebrowser/v2 (Go): upgrade to 2.63.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-35605?
Check whether you run github.com/filebrowser/filebrowser (Go) or github.com/filebrowser/filebrowser/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/filebrowser/filebrowser/v2 (Go): upgrade to 2.63.1 or later
    go get github.com/filebrowser/filebrowser/v2@v2.63.1

Affected products

  • github.com/filebrowser/filebrowser (Go) SEMVER:introduced=0
  • github.com/filebrowser/filebrowser/v2 (Go) SEMVER:introduced=0,fixed=2.63.1

Identifiers

  • CVE-2026-35605
  • GHSA-5q48-q4fm-g3m6
  • GO-2026-5150

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