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CVE CVE-2026-25891

CVE-2026-25891

Express

Severity: HIGH
CVSS: 7.5CVSS
Published: 2026-02-24
Last modified: 2026-02-27
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE: CWE-22

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.

References

https://github.com/gofiber/fiber/commit/59133702301c2ab7b776dd123b474cbd995f2c86
https://github.com/gofiber/fiber/pull/4064
https://github.com/gofiber/fiber/security/advisories/GHSA-m3c2-496v-cw3v

Summary

Description

References