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.

INFO

Published Date :

2026-02-24T21:08:48.675Z

Last Modified :

2026-02-24T21:39:11.118Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-25891 vulnerability.

Vendors Products
Gofiber
  • Fiber
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-25891.

URL Resource
https://github.com/gofiber/fiber/commit/59133702301c2ab7b776dd123b474cbd995f2c86 cve-icon cve-icon
https://github.com/gofiber/fiber/pull/4064 cve-icon cve-icon
https://github.com/gofiber/fiber/security/advisories/GHSA-m3c2-496v-cw3v cve-icon cve-icon
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CVSS Vulnerability Scoring System

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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact