{"schema_version":"1.7.5","id":"GO-2026-5887","published":"2026-07-24T18:35:55Z","modified":"2026-07-24T19:00:26.866465717Z","aliases":["CVE-2026-45045","GHSA-gcfq-8gqf-4876"],"summary":"GoFiber Vulnerable to X-Real-IP Spoofing via Header.Add() in BalancerForward in github.com/gofiber/fiber","details":"GoFiber Vulnerable to X-Real-IP Spoofing via Header.Add() in BalancerForward in github.com/gofiber/fiber","affected":[{"package":{"name":"github.com/gofiber/fiber/v3","ecosystem":"Go","purl":"pkg:golang/github.com/gofiber/fiber/v3"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.3.0"}]}],"ecosystem_specific":{"imports":[{"path":"github.com/gofiber/fiber/v3/middleware/proxy","symbols":["Balancer","BalancerForward"]}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5887.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/gofiber/fiber/security/advisories/GHSA-gcfq-8gqf-4876"},{"type":"FIX","url":"https://github.com/gofiber/fiber/pull/4260"}],"database_specific":{"review_status":"REVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-5887"}}