Path Traversal in Gofiber Fiber

CVE-2026-25891

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. Th…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.006 (45.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-25891?
CVE-2026-25891 is a high-severity vulnerability in Gofiber Fiber, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-02-24.
How severe is CVE-2026-25891?
High severity. CVSS v3 base score is 7.5 out of 10.