Echo: Reverse Proxy Forwards Attacker-Supplied X-Real-IP to Upstream by Default

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

CVE-2026-118651 · Microsoft / collected KEV context

EUVD-2026-112406

GHSA-99jh-6h7p-pp36

GO-2026-6875

cve-program · CVE-2026-118651

• https://github.com/labstack/echo/security/advisories/GHSA-99jh-6h7p-pp36
• https://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af
• https://github.com/labstack/echo/releases/tag/v5.4.0

euvd · EUVD-2026-112406

• https://github.com/labstack/echo/security/advisories/GHSA-99jh-6h7p-pp36
• https://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af
• https://github.com/labstack/echo/releases/tag/v5.4.0

nvd · CVE-2026-118651

• https://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af
• https://github.com/labstack/echo/releases/tag/v5.4.0
• https://github.com/labstack/echo/security/advisories/GHSA-99jh-6h7p-pp36

osv · GHSA-99jh-6h7p-pp36

• https://github.com/labstack/echo/security/advisories/GHSA-99jh-6h7p-pp36
• https://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af
• https://github.com/labstack/echo
• https://github.com/labstack/echo/releases/tag/v5.4.0

osv · GO-2026-6875

• https://github.com/labstack/echo/security/advisories/GHSA-99jh-6h7p-pp36
• https://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af
• https://github.com/labstack/echo/releases/tag/v5.4.0

• Reverse Proxy Forwards Attacker-Supplied X-Real-IP to Upstream by Default in github.com/labstack/echo · Newly collected advisory · 5 Nov 2026
• Echo: Reverse Proxy Forwards Attacker-Supplied X-Real-IP to Upstream by Default · Advisory content revised · 5 Nov 2026
• Echo is a Go web framework. From 4.0.0 until 5.4.0, the Proxy middleware can preserve an attacker-supplied X-Real-IP header and forward it to an upstream service when Echo.IPExtractor is not configured. A remote client can therefore make up… · Advisory content revised · 30 Oct 2026
• Echo is a Go web framework. From 4.0.0 until 5.4.0, the Proxy middleware can preserve an attacker-supplied X-Real-IP header and forward it to an upstream service when Echo.IPExtractor is not configured. A remote client can therefore make up… · Advisory content revised · 30 Oct 2026
• Echo: Reverse Proxy Forwards Attacker-Supplied X-Real-IP to Upstream by Default · Newly collected advisory · 28 Oct 2026
• Echo: Reverse Proxy Forwards Attacker-Supplied X-Real-IP to Upstream by Default · Newly collected advisory · 28 Oct 2026