{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-118650", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-28T17:25:37.560Z", "datePublished": "2026-10-28T19:25:02.952Z", "dateUpdated": "2026-10-28T19:25:02.952Z"}, "containers": {"cna": {"title": "Echo: middleware.Static: `%2F`-encoded path bypasses route/group middleware guarding a statically-served path", "problemTypes": [{"descriptions": [{"cweId": "CWE-177", "lang": "en", "description": "CWE-177: Improper Handling of URL Encoding (Hex Encoding)", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/labstack/echo/security/advisories/GHSA-375p-5qhx-8wq4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/labstack/echo/security/advisories/GHSA-375p-5qhx-8wq4"}, {"name": "https://github.com/labstack/echo/commit/b838391e2eade87ae7e5a09d7bb5087bec271ec1", "tags": ["x_refsource_MISC"], "url": "https://github.com/labstack/echo/commit/b838391e2eade87ae7e5a09d7bb5087bec271ec1"}, {"name": "https://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af", "tags": ["x_refsource_MISC"], "url": "https://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af"}, {"name": "https://github.com/labstack/echo/releases/tag/v4.16.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/labstack/echo/releases/tag/v4.16.0"}, {"name": "https://github.com/labstack/echo/releases/tag/v5.4.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/labstack/echo/releases/tag/v5.4.0"}], "affected": [{"vendor": "labstack", "product": "echo", "versions": [{"version": ">= 5.0.0, < 5.4.0", "status": "affected"}, {"version": "< 4.16.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-28T19:25:02.952Z"}, "descriptions": [{"lang": "en", "value": "Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, a globally mounted middleware.Static instance can interpret an encoded request path differently from Echo's router because the router matches the still-encoded path while the static handler uses the decoded URL.Path. The advisory demonstrates an encoded slash resolving to a file under the static root through the global static middleware, but the source is internally inconsistent about whether a route or group guard protects the corresponding literal path in that global-mount configuration. This issue is fixed in 4.16.0 and 5.4.0."}], "source": {"advisory": "GHSA-375p-5qhx-8wq4", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "echo", "vendor": "labstack", "versions": [{"status": "affected", "version": ">= 5.0.0, < 5.4.0"}, {"status": "affected", "version": "< 4.16.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, a globally mounted middleware.Static instance can interpret an encoded request path differently from Echo's router because the router matches the still-encoded path while the static handler uses the decoded URL.Path. The advisory demonstrates an encoded slash resolving to a file under the static root through the global static middleware, but the source is internally inconsistent about whether a route or group guard protects the corresponding literal path in that global-mount configuration. This issue is fixed in 4.16.0 and 5.4.0."}], "id": "CVE-2026-118650", "lastModified": "2026-10-28T20:17:21.850", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-28T20:17:21.850", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/labstack/echo/commit/b838391e2eade87ae7e5a09d7bb5087bec271ec1"}, {"source": "security-advisories@github.com", "url": "https://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af"}, {"source": "security-advisories@github.com", "url": "https://github.com/labstack/echo/releases/tag/v4.16.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/labstack/echo/releases/tag/v5.4.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/labstack/echo/security/advisories/GHSA-375p-5qhx-8wq4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-177"}, {"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.4.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.16.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "echo", "source": "cna", "vendor": "labstack"}, "product": "echo", "vendor": "labstack"}], "created": "2026-10-28T20:30:07.266231+00:00", "updated": "2026-10-28T21:15:15.642580+00:00", "vendors": ["labstack", "labstack$PRODUCT$echo"]}