{"id":"CVE-2026-118655","revision":"21a8fae4f1994ab1bc6420eeec9d9c38","records":[{"revision":"21a8fae4f1994ab1bc6420eeec9d9c38","observedAt":"2026-10-28T21:55:13.262+00:00","statement":{"source":"cve-program","id":"CVE-2026-118655","aliases":[],"title":"Echo: Static Middleware Double-Unescape Path Traversal","description":"Echo is a Go web framework. Prior to 4.15.3 and 5.2.0, middleware.Static can decode an already decoded Request.URL.Path a second time. Double-encoded separators can consequently be reconstructed before filesystem resolution. This can reach a file under a guarded route when the static middleware is registered globally. This issue is fixed in 4.15.3 and 5.2.0.","state":0,"publishedAt":"2026-10-28T20:03:56.897+00:00","modifiedAt":"2026-10-28T20:03:56.897+00:00","affected":[{"ecosystem":"Vendor product","name":"echo","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"labstack\",\n                    \"product\": \"echo\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 5.0.0, < 5.2.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"< 4.15.3\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/labstack/echo/security/advisories/GHSA-xwq5-6cqp-vx96","https://github.com/labstack/echo/issues/2599","https://github.com/labstack/echo/pull/3006","https://github.com/labstack/echo/commit/a9ede66a5a7196411131beb1ee801e75bbaf7ac6","https://github.com/labstack/echo/commit/c3fa2a27ff92b2b8db360de614f999ef1da24725","https://github.com/labstack/echo/releases/tag/v4.15.3","https://github.com/labstack/echo/releases/tag/v5.2.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118655","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-118655","identifiers":["CVE-2026-118655"]},"retained":false,"historicalAffected":[]}],"coverage":[]}