{"id":"EUVD-2026-112463","revision":"e0e4f6b83c71431184300b2f44cedcd5","records":[{"revision":"e0e4f6b83c71431184300b2f44cedcd5","observedAt":"2026-11-06T00:45:13.919+00:00","statement":{"source":"euvd","id":"EUVD-2026-112463","aliases":["CVE-2026-118656","GHSA-v753-g4cw-jm48"],"title":"Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, sanitizeURI checks only the first two bytes of a redirect target before deciding whether it begins with an absolute-path separator pair. When AddTrailingSlash or RemoveTrailingSlash is …","description":"Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, sanitizeURI checks only the first two bytes of a redirect target before deciding whether it begins with an absolute-path separator pair. When AddTrailingSlash or RemoveTrailingSlash is configured with a redirect status, a slash, TAB, separator path form can evade the guard, be emitted in the Location header, and be normalized by a browser into an attacker-controlled host. This issue is fixed in 4.16.0 and 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:R/S:C/C:L/I:L/A:N","score":6.1,"severity":null}],"references":["https://github.com/labstack/echo/security/advisories/GHSA-v753-g4cw-jm48","https://github.com/labstack/echo/commit/b838391e2eade87ae7e5a09d7bb5087bec271ec1","https://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af","https://github.com/labstack/echo/releases/tag/v4.16.0","https://github.com/labstack/echo/releases/tag/v5.4.0"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112463","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 28, 2026, 8:12:13 PM","dateUpdated":"Oct 29, 2026, 5:23:39 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-2026-112463","identifiers":["EUVD-2026-112463","CVE-2026-118656","GHSA-v753-g4cw-jm48"]},"retained":false,"historicalAffected":[]}],"coverage":[]}