Origin Validation Error Affecting golang-github-labstack-echo package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.21% (11th percentile)

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  • Snyk IDSNYK-ECHOLATEST-GOLANGGITHUBLABSTACKECHO-21816885
  • published29 Oct 2026
  • disclosed28 Oct 2026

Introduced: 28 Oct 2026

NewCVE-2026-118651  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest golang-github-labstack-echo.

NVD Description

Note: Versions mentioned in the description apply only to the upstream golang-github-labstack-echo package and not the golang-github-labstack-echo package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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 upstream services receive a spoofed client address, undermining IP-based access controls, rate limiting, audit logging, or geographic restrictions that trust Echo's forwarded identity. This issue is fixed in Echo 5.4.0.