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.

Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-m3c2-496v-cw3v Fiber has an Arbitrary File Read in Static Middleware on Windows
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 24 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 24 Feb 2026 21:30:00 +0000

Type Values Removed Values Added
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.
Title Fiber has an Arbitrary File Read in Static Middleware on Windows
Weaknesses CWE-22
References
Metrics cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-24T21:39:11.118Z

Reserved: 2026-02-06T21:08:39.130Z

Link: CVE-2026-25891

cve-icon Vulnrichment

Updated: 2026-02-24T21:39:05.876Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-24T22:16:31.440

Modified: 2026-02-24T22:39:03.967

Link: CVE-2026-25891

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses