7.5

CVE-2026-25882

Exploit

Fiber has a Denial of Service Vulnerability via Route Parameter Overflow

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gofiber ≫ Fiber SwPlatformgo Version >= 2.0.0 < 2.52.12
Gofiber ≫ Fiber SwPlatformgo Version >= 3.0.0 < 3.1.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.59% 0.437
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
security-advisories@github.com 5.5 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-129 Improper Validation of Array Index

The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.

https://github.com/gofiber/fiber/blob/main/path.go#L514
Product
https://github.com/gofiber/fiber/blob/v2/path.go#L516
Product
https://github.com/gofiber/fiber/pull/3962
Patch
Issue Tracking
https://github.com/gofiber/fiber/security/advisories/GHSA-mrq8-rjmw-wpq3
Vendor Advisory
Exploit