← Back to CVEs

CVE-2026-25882

HIGH

7.5

Description

Fiber is an Express inspired web framework written in Go. A denial of service vulnerability exists in Fiber v2 and v3 that allows remote attackers to crash the application by sending requests to routes with more than 30 parameters. The vulnerability results from missing validation during route registration combined with an unbounded array write during request matching. Version 2.52.12 patches the issue in the v2 branch and 3.1.0 patches the issue in the v3 branch.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/24/2026

Last Modified2/27/2026

Sourcenvd

Honeypot Sightings0

Affected Products

gofiber:fiber

Weaknesses (CWE)

CWE-129

References

https://github.com/gofiber/fiber/blob/main/path.go#L514(security-advisories@github.com)

https://github.com/gofiber/fiber/blob/v2/path.go#L516(security-advisories@github.com)

https://github.com/gofiber/fiber/pull/3962(security-advisories@github.com)

https://github.com/gofiber/fiber/security/advisories/GHSA-mrq8-rjmw-wpq3(security-advisories@github.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.