{"action":"Upgrade github.com/gofiber/fiber/v2 to 2.52.14 or later.","affected":[{"fixed":"2.52.14","introduced":"0"}],"component":"github.com/gofiber/fiber/v2","cve_ids":["CVE-2026-45045"],"ecosystem":"Go","epss":0.00463,"exploited":false,"fixed_versions":["2.52.14"],"ghsa_id":"GHSA-gcfq-8gqf-4876","id":"tcs_01M5KFATPPCQ2HBXNBYMVX55KT","modified_at":"2026-09-10T03:50:52.054200484Z","published_at":"2026-07-02T13:50:45Z","references":["https://osv.dev/vulnerability/GHSA-gcfq-8gqf-4876","https://github.com/gofiber/fiber/security/advisories/GHSA-gcfq-8gqf-4876","https://nvd.nist.gov/vuln/detail/CVE-2026-45045","https://github.com/gofiber/fiber/pull/4260","https://github.com/gofiber/fiber/pull/4495","https://github.com/gofiber/fiber/commit/1403cc8292da3220e9316960b4030cc722a0f396","https://github.com/gofiber/fiber/commit/33c9501288ab47a429c8b5e701493f0c3c0af37d","https://github.com/gofiber/fiber","https://github.com/gofiber/fiber/releases/tag/v2.52.14","https://github.com/gofiber/fiber/releases/tag/v3.3.0"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-gcfq-8gqf-4876#Go/github.com/gofiber/fiber/v2","url":"https://osv.dev/vulnerability/GHSA-gcfq-8gqf-4876"}],"summary":"GoFiber Vulnerable to X-Real-IP Spoofing via Header.Add() in BalancerForward"}