File Browser: Authentication Bypass via Proxy Auth Header Forgery

Date Jul 10, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product Go · github.com/filebrowser/filebrowser/v2

CVE CVE-2026-54089

High-risk advisory CVE-2026-54089

Summary

File Browser: Authentication Bypass via Proxy Auth Header Forgery

Why it matters

GitHub has published a reviewed security advisory for github.com/filebrowser/filebrowser/v2. Prioritize it with other application dependency updates, especially because EPSS places it in the 26% percentile.

Operator check

Check whether github.com/filebrowser/filebrowser/v2 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 26%.

Sources

GitHub Advisory GHSA-xqp3-jq6g-x3qm NVD — CVE-2026-54089 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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