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CVE PROGRAM SOURCE RECORD7.7 High

CVE-2026-25891

Fiber has an Arbitrary File Read in Static Middleware on Windows

Description

Fiber is an Express inspired web framework written in Go. A Path Traversal (CWE-22) vulnerability in Fiber allows a remote attacker to bypass the static middleware sanitizer and read arbitrary files on the server file system on Windows. This affects Fiber v3 through version 3.0.0. This has been patched in Fiber v3 version 3.1.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

gofiber fiber

  • >= 3.0.0, < 3.1.0affected

References