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. This affects Fiber v3 through version 3.0.0. This has been patched in Fiber v3 version 3.1.0.
- Affected products
- Fiber
- Gofiber Fiber
- < 3.1.0
- Fix
- Available
- CVSS 4.0
- 8.7 HIGH
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.6% (46th percentile)
- Weakness
- CWE-22
- NVD status
- Analyzed
- Published
- 2026-02-24
CVE-2026-25891 at NVD
No indexed exploits for CVE-2026-25891 yet
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No exploit for CVE-2026-25891 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.