go-chi chi v5.2.1 IP Spoofing via X-Forwarded-For Header

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-72815 · Microsoft / collected KEV context

EUVD-2026-58630

GHSA-qgxv-hqxp-4rcx

GHSA-3fxj-6jh8-hvhx

GO-2026-5774

cve-program · CVE-2026-72815

• https://github.com/go-chi/chi/security/advisories/GHSA-3fxj-6jh8-hvhx
• https://www.vulncheck.com/advisories/go-chi-chi-ip-spoofing-via-x-forwarded-for-header

euvd · EUVD-2026-58630

• https://github.com/go-chi/chi/security/advisories/GHSA-3fxj-6jh8-hvhx
• https://www.vulncheck.com/advisories/go-chi-chi-ip-spoofing-via-x-forwarded-for-header

nvd · CVE-2026-72815

• https://github.com/go-chi/chi/security/advisories/GHSA-3fxj-6jh8-hvhx
• https://www.vulncheck.com/advisories/go-chi-chi-ip-spoofing-via-x-forwarded-for-header

osv · GHSA-3fxj-6jh8-hvhx

• https://github.com/go-chi/chi/security/advisories/GHSA-3fxj-6jh8-hvhx
• https://github.com/go-chi/chi/pull/967
• https://github.com/go-chi/chi/commit/3b171578ca44dfd75ca3c5cbddc7b44c600a7b49
• https://github.com/go-chi/chi

osv · GO-2026-5774

• https://github.com/go-chi/chi/security/advisories/GHSA-3fxj-6jh8-hvhx
• https://github.com/go-chi/chi/pull/967

• chi Has an IP Spoofing Vulnerability in `middleware.RealIP` · Affected-version evidence changed · 4 Nov 2026
• go-chi chi versions >= 5.2.1 and before 5.3.0 contain an IP spoofing vulnerability in the RealIP middleware, which blindly trusts the first (leftmost) value of the X-Forwarded-For HTTP header. A remote attacker can bypass IP-based access co… · Advisory content revised · 30 Oct 2026