{"id":"CVE-2026-118655","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-118655","summary":"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…","details":"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.","published":"2026-10-28T20:17:22.723","modified":"2026-10-28T20:17:22.723","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/labstack/echo/commit/a9ede66a5a7196411131beb1ee801e75bbaf7ac6","label":"labstack/echo@a9ede66"},"references":[{"type":"WEB","url":"https://github.com/labstack/echo/commit/a9ede66a5a7196411131beb1ee801e75bbaf7ac6"},{"type":"WEB","url":"https://github.com/labstack/echo/commit/c3fa2a27ff92b2b8db360de614f999ef1da24725"},{"type":"WEB","url":"https://github.com/labstack/echo/issues/2599"},{"type":"WEB","url":"https://github.com/labstack/echo/pull/3006"},{"type":"WEB","url":"https://github.com/labstack/echo/releases/tag/v4.15.3"},{"type":"WEB","url":"https://github.com/labstack/echo/releases/tag/v5.2.0"},{"type":"WEB","url":"https://github.com/labstack/echo/security/advisories/GHSA-xwq5-6cqp-vx96"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T20:17:22.723"}}