{"id":"EUVD-2026-112406","revision":"5c688c6fd0814d6381dfac1654d9f3bb","records":[{"revision":"5c688c6fd0814d6381dfac1654d9f3bb","observedAt":"2026-11-01T23:02:54.028+00:00","statement":{"source":"euvd","id":"EUVD-2026-112406","aliases":["CVE-2026-118651","GHSA-99jh-6h7p-pp36"],"title":"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…","description":"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.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3,"severity":null}],"references":["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"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112406","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 28, 2026, 7:30:01 PM","dateUpdated":"Oct 29, 2026, 8:53:54 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-112406","identifiers":["EUVD-2026-112406","CVE-2026-118651","GHSA-99jh-6h7p-pp36"]},"retained":false,"historicalAffected":[]}],"coverage":[]}