github.com/gofiber/fiber/v3 vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2026-45045Mediumgithub.com/gofiber/fiber/v3: GoFiber Vulnerable to X-Real-IP Spoofing via Header.Add() in BalancerForward CVE-2026-44332Mediumgithub.com/gofiber/fiber/v3: GoFiber Vulnerable to Username Enumeration via Timing Oracle in BasicAuth Default Authorizer CVE-2026-42554Mediumgithub.com/gofiber/fiber/v3: Fiber vulnerable to XSS in AutoFormat Content Negotiation CVE-2026-30246Mediumgithub.com/gofiber/fiber/v3: Fiber's cache middleware default key generator ignores query string, causing response mix-up across…CVE-2026-25882Mediumgithub.com/gofiber/fiber/v2: Fiber has a Denial of Service Vulnerability via Route Parameter Overflow CVE-2026-25899Highgithub.com/gofiber/fiber/v3: Fiber is Vulnerable to Denial of Service via Flash Cookie Unbounded Allocation CVE-2026-25891Highgithub.com/gofiber/fiber/v3: Fiber has an Arbitrary File Read in Static Middleware on Windows

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