Echo: Rate Limiter Bypass via Spoofed X-Forwarded-For Header in Default Configuration

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-118653 · CVE overview and exploitation status

EUVD-2026-112409

GHSA-246p-cpwv-v3jq

GO-2026-6872

cve-program · CVE-2026-118653

• https://github.com/labstack/echo/security/advisories/GHSA-246p-cpwv-v3jq
• https://github.com/labstack/echo/commit/22e4b71109ef072ef011a489066ec662ca9565b2
• https://github.com/labstack/echo/releases/tag/v5.1.0

euvd · EUVD-2026-112409

• https://github.com/labstack/echo/security/advisories/GHSA-246p-cpwv-v3jq
• https://github.com/labstack/echo/commit/22e4b71109ef072ef011a489066ec662ca9565b2
• https://github.com/labstack/echo/releases/tag/v5.1.0

nvd · CVE-2026-118653

• https://github.com/labstack/echo/commit/22e4b71109ef072ef011a489066ec662ca9565b2
• https://github.com/labstack/echo/releases/tag/v5.1.0
• https://github.com/labstack/echo/security/advisories/GHSA-246p-cpwv-v3jq

osv · GHSA-246p-cpwv-v3jq

• https://github.com/labstack/echo/security/advisories/GHSA-246p-cpwv-v3jq
• https://github.com/labstack/echo/commit/22e4b71109ef072ef011a489066ec662ca9565b2
• https://github.com/labstack/echo
• https://github.com/labstack/echo/releases/tag/v5.1.0

osv · GO-2026-6872

• https://github.com/labstack/echo/security/advisories/GHSA-246p-cpwv-v3jq
• https://github.com/labstack/echo/commit/22e4b71109ef072ef011a489066ec662ca9565b2
• https://github.com/labstack/echo/releases/tag/v5.1.0

• Rate Limiter Bypass via Spoofed X-Forwarded-For Header in Default Configuration in github.com/labstack/echo · Newly collected advisory · 5 Nov 2026
• Echo has Rate Limiter Bypass via Spoofed X-Forwarded-For Header in Default Configuration · Advisory content revised · 5 Nov 2026
• Echo is a Go web framework. From 4.0.0 until 5.1.0, Context.RealIP falls back to client-supplied X-Forwarded-For or X-Real-IP values when Echo.IPExtractor is unset, and the default RateLimiter uses that result as its client identifier. A re… · Advisory content revised · 30 Oct 2026
• Echo is a Go web framework. From 4.0.0 until 5.1.0, Context.RealIP falls back to client-supplied X-Forwarded-For or X-Real-IP values when Echo.IPExtractor is unset, and the default RateLimiter uses that result as its client identifier. A re… · Advisory content revised · 30 Oct 2026