{"id":"GO-2026-6293","summary":"Encoded slash (%2F) bypasses route-level protection and exposes static files in github.com/labstack/echo/v4 and github.com/labstack/echo/v5","details":"Encoded slash (%2F) bypasses route-level protection and exposes static files in github.com/labstack/echo/v4 and github.com/labstack/echo/v5","aliases":["CVE-2026-55677","GHSA-vfp3-v2gw-7wfq"],"modified":"2026-08-26T15:15:13.215595062Z","published":"2026-08-26T14:57:44Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-6293","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/labstack/echo/security/advisories/GHSA-vfp3-v2gw-7wfq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55677"},{"type":"FIX","url":"https://github.com/labstack/echo/commit/8d1ae9d3360a71672418856d58753af25f2c3986"},{"type":"FIX","url":"https://github.com/labstack/echo/commit/c3fa2a27ff92b2b8db360de614f999ef1da24725"},{"type":"FIX","url":"https://github.com/labstack/echo/pull/3009"},{"type":"FIX","url":"https://github.com/labstack/echo/pull/3011"},{"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"}],"affected":[{"package":{"name":"github.com/labstack/echo/v4","ecosystem":"Go","purl":"pkg:golang/github.com/labstack/echo/v4"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.15.3"}]}],"ecosystem_specific":{"imports":[{"symbols":["Echo.Static","Echo.StaticFS","Group.Static","Group.StaticFS","StaticDirectoryHandler"],"path":"github.com/labstack/echo/v4"},{"symbols":["Static","StaticWithConfig"],"path":"github.com/labstack/echo/v4/middleware"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-6293.json"}},{"package":{"name":"github.com/labstack/echo/v5","ecosystem":"Go","purl":"pkg:golang/github.com/labstack/echo/v5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.2.0"}]}],"ecosystem_specific":{"imports":[{"symbols":["AddTrailingSlash","AddTrailingSlashWithConfig","BasicAuth","BasicAuthWithConfig","BodyDump","BodyDumpWithConfig","BodyLimit","BodyLimitWithConfig","CORS","CORSWithConfig","CSRF","CSRFWithConfig","ContextTimeout","ContextTimeoutWithConfig","Decompress","DecompressWithConfig","Gzip","GzipWithConfig","HTTPSNonWWWRedirect","HTTPSNonWWWRedirectWithConfig","HTTPSRedirect","HTTPSRedirectWithConfig","HTTPSWWWRedirect","HTTPSWWWRedirectWithConfig","KeyAuth","KeyAuthWithConfig","MethodOverride","MethodOverrideWithConfig","NonWWWRedirect","NonWWWRedirectWithConfig","Proxy","ProxyWithConfig","RateLimiter","RateLimiterWithConfig","Recover","RecoverWithConfig","RemoveTrailingSlash","RemoveTrailingSlashWithConfig","RequestID","RequestIDWithConfig","Rewrite","RewriteWithConfig","Secure","SecureWithConfig","Static","StaticConfig.ToMiddleware","StaticWithConfig","WWWRedirect","WWWRedirectWithConfig"],"path":"github.com/labstack/echo/v5/middleware"},{"symbols":["Echo.Static","Echo.StaticFS","Group.Static","Group.StaticFS","StaticDirectoryHandler"],"path":"github.com/labstack/echo/v5"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-6293.json"}}],"schema_version":"1.9.0"}