{"items":[{"id":"NVI-00008934","kind":"vulnerability","title":"Echo static file middleware route protection bypass via encoded dot-dot traversal","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-3pmx-cf9f-34xr","CVE-2026-118654"],"plain_summary":"GitHub lists this reviewed advisory for github.com/labstack/echo/v5, github.com/labstack/echo/v4. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-85184f7cb34b7ff16c53a2f801b884d0"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-28T21:04:47.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3b5b7a066dbecc87b5b80f390a30dcd2"},{"kind":"CVSS","as_of":"2026-11-02T21:17:27.753Z","value":"5.9 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-700eb814a5fabce06329494b7cf859c6"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.347%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28272. Missing scores are unknown.","source_id":"sr-85184f7cb34b7ff16c53a2f801b884d0"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3b5b7a066dbecc87b5b80f390a30dcd2","url":"https://github.com/advisories/GHSA-3pmx-cf9f-34xr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3pmx-cf9f-34xr","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-700eb814a5fabce06329494b7cf859c6","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118654","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-118654","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:16.598Z"},{"id":"sr-85184f7cb34b7ff16c53a2f801b884d0","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118654","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.375Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3b5b7a066dbecc87b5b80f390a30dcd2"],"technology":"github.com/labstack/echo/v5","known_exclusions":[],"conditions_summary":"## Summary\n\nEcho v5.2.0 contains a bypass of the fix for GHSA-vfp3-v2gw-7wfq. The fix rejects encoded path separators such as `%2F` and `%5C` before static file path unescaping, but two traversal forms still bypass route-level middleware protections for static files.\n\nThe primary bypass uses encoded dot-dot segments. A request such as `/public/%2E%2E/admin/secret.txt` passes the encoded-separator guard, is unescaped to `public/../admin/secret.txt`, then `path.Clean` resolves it to `admin/secret.txt`. If `/admin/*` is protected by middleware but the static filesystem is mounted at `/`, the protected file is returned through the public static route.\n\nA second bypass exists when `UseEscapedPathForMatching=true`. In that mode, the router normalizes encoded separators before the static handler checks the wildcard. The handler receives a decoded wildcard with no `%` characters, so the encoded-separator guard does not run on the original encoded path.\n\n## Impact\n\nAn unauthenticated attacker can read files that an application intended to protect with route-level middleware, when those files are also reachable through a static filesystem mount after path normalization.\n\nThe high-severity va","public_affected_ranges":["< 5.4.0"]},{"certainty":"source_listed","source_ids":["sr-3b5b7a066dbecc87b5b80f390a30dcd2"],"technology":"github.com/labstack/echo/v4","known_exclusions":[],"conditions_summary":"## Summary\n\nEcho v5.2.0 contains a bypass of the fix for GHSA-vfp3-v2gw-7wfq. The fix rejects encoded path separators such as `%2F` and `%5C` before static file path unescaping, but two traversal forms still bypass route-level middleware protections for static files.\n\nThe primary bypass uses encoded dot-dot segments. A request such as `/public/%2E%2E/admin/secret.txt` passes the encoded-separator guard, is unescaped to `public/../admin/secret.txt`, then `path.Clean` resolves it to `admin/secret.txt`. If `/admin/*` is protected by middleware but the static filesystem is mounted at `/`, the protected file is returned through the public static route.\n\nA second bypass exists when `UseEscapedPathForMatching=true`. In that mode, the router normalizes encoded separators before the static handler checks the wildcard. The handler receives a decoded wildcard with no `%` characters, so the encoded-separator guard does not run on the original encoded path.\n\n## Impact\n\nAn unauthenticated attacker can read files that an application intended to protect with route-level middleware, when those files are also reachable through a static filesystem mount after path normalization.\n\nThe high-severity va","public_affected_ranges":["< 4.16.0"]}],"null_published_at":"2026-11-07T07:07:42.493Z","source_updated_at":"2026-10-28T21:04:47.000Z","source_disclosed_at":"2026-10-28T21:04:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00008934","kind":"vulnerability","title":"Echo static file middleware route protection bypass via encoded dot-dot traversal","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3pmx-cf9f-34xr","CVE-2026-118654"],"plain_summary":"GitHub lists this reviewed advisory for github.com/labstack/echo/v5, github.com/labstack/echo/v4. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-85184f7cb34b7ff16c53a2f801b884d0"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-28T21:04:47.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3b5b7a066dbecc87b5b80f390a30dcd2"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.347%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28272. Missing scores are unknown.","source_id":"sr-85184f7cb34b7ff16c53a2f801b884d0"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3b5b7a066dbecc87b5b80f390a30dcd2","url":"https://github.com/advisories/GHSA-3pmx-cf9f-34xr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3pmx-cf9f-34xr","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-85184f7cb34b7ff16c53a2f801b884d0","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118654","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.375Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3b5b7a066dbecc87b5b80f390a30dcd2"],"technology":"github.com/labstack/echo/v5","known_exclusions":[],"conditions_summary":"## Summary\n\nEcho v5.2.0 contains a bypass of the fix for GHSA-vfp3-v2gw-7wfq. The fix rejects encoded path separators such as `%2F` and `%5C` before static file path unescaping, but two traversal forms still bypass route-level middleware protections for static files.\n\nThe primary bypass uses encoded dot-dot segments. A request such as `/public/%2E%2E/admin/secret.txt` passes the encoded-separator guard, is unescaped to `public/../admin/secret.txt`, then `path.Clean` resolves it to `admin/secret.txt`. If `/admin/*` is protected by middleware but the static filesystem is mounted at `/`, the protected file is returned through the public static route.\n\nA second bypass exists when `UseEscapedPathForMatching=true`. In that mode, the router normalizes encoded separators before the static handler checks the wildcard. The handler receives a decoded wildcard with no `%` characters, so the encoded-separator guard does not run on the original encoded path.\n\n## Impact\n\nAn unauthenticated attacker can read files that an application intended to protect with route-level middleware, when those files are also reachable through a static filesystem mount after path normalization.\n\nThe high-severity va","public_affected_ranges":["< 5.4.0"]},{"certainty":"source_listed","source_ids":["sr-3b5b7a066dbecc87b5b80f390a30dcd2"],"technology":"github.com/labstack/echo/v4","known_exclusions":[],"conditions_summary":"## Summary\n\nEcho v5.2.0 contains a bypass of the fix for GHSA-vfp3-v2gw-7wfq. The fix rejects encoded path separators such as `%2F` and `%5C` before static file path unescaping, but two traversal forms still bypass route-level middleware protections for static files.\n\nThe primary bypass uses encoded dot-dot segments. A request such as `/public/%2E%2E/admin/secret.txt` passes the encoded-separator guard, is unescaped to `public/../admin/secret.txt`, then `path.Clean` resolves it to `admin/secret.txt`. If `/admin/*` is protected by middleware but the static filesystem is mounted at `/`, the protected file is returned through the public static route.\n\nA second bypass exists when `UseEscapedPathForMatching=true`. In that mode, the router normalizes encoded separators before the static handler checks the wildcard. The handler receives a decoded wildcard with no `%` characters, so the encoded-separator guard does not run on the original encoded path.\n\n## Impact\n\nAn unauthenticated attacker can read files that an application intended to protect with route-level middleware, when those files are also reachable through a static filesystem mount after path normalization.\n\nThe high-severity va","public_affected_ranges":["< 4.16.0"]}],"null_published_at":"2026-11-03T02:33:09.106Z","source_updated_at":"2026-10-28T21:04:47.000Z","source_disclosed_at":"2026-10-28T21:04:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00008934","kind":"vulnerability","title":"Echo static file middleware route protection bypass via encoded dot-dot traversal","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3pmx-cf9f-34xr","CVE-2026-118654"],"plain_summary":"GitHub lists this reviewed advisory for github.com/labstack/echo/v5, github.com/labstack/echo/v4. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-3b5b7a066dbecc87b5b80f390a30dcd2"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-28T21:04:47.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3b5b7a066dbecc87b5b80f390a30dcd2"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3b5b7a066dbecc87b5b80f390a30dcd2","url":"https://github.com/advisories/GHSA-3pmx-cf9f-34xr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3pmx-cf9f-34xr","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3b5b7a066dbecc87b5b80f390a30dcd2"],"technology":"github.com/labstack/echo/v5","known_exclusions":[],"conditions_summary":"## Summary\n\nEcho v5.2.0 contains a bypass of the fix for GHSA-vfp3-v2gw-7wfq. The fix rejects encoded path separators such as `%2F` and `%5C` before static file path unescaping, but two traversal forms still bypass route-level middleware protections for static files.\n\nThe primary bypass uses encoded dot-dot segments. A request such as `/public/%2E%2E/admin/secret.txt` passes the encoded-separator guard, is unescaped to `public/../admin/secret.txt`, then `path.Clean` resolves it to `admin/secret.txt`. If `/admin/*` is protected by middleware but the static filesystem is mounted at `/`, the protected file is returned through the public static route.\n\nA second bypass exists when `UseEscapedPathForMatching=true`. In that mode, the router normalizes encoded separators before the static handler checks the wildcard. The handler receives a decoded wildcard with no `%` characters, so the encoded-separator guard does not run on the original encoded path.\n\n## Impact\n\nAn unauthenticated attacker can read files that an application intended to protect with route-level middleware, when those files are also reachable through a static filesystem mount after path normalization.\n\nThe high-severity va","public_affected_ranges":["< 5.4.0"]},{"certainty":"source_listed","source_ids":["sr-3b5b7a066dbecc87b5b80f390a30dcd2"],"technology":"github.com/labstack/echo/v4","known_exclusions":[],"conditions_summary":"## Summary\n\nEcho v5.2.0 contains a bypass of the fix for GHSA-vfp3-v2gw-7wfq. The fix rejects encoded path separators such as `%2F` and `%5C` before static file path unescaping, but two traversal forms still bypass route-level middleware protections for static files.\n\nThe primary bypass uses encoded dot-dot segments. A request such as `/public/%2E%2E/admin/secret.txt` passes the encoded-separator guard, is unescaped to `public/../admin/secret.txt`, then `path.Clean` resolves it to `admin/secret.txt`. If `/admin/*` is protected by middleware but the static filesystem is mounted at `/`, the protected file is returned through the public static route.\n\nA second bypass exists when `UseEscapedPathForMatching=true`. In that mode, the router normalizes encoded separators before the static handler checks the wildcard. The handler receives a decoded wildcard with no `%` characters, so the encoded-separator guard does not run on the original encoded path.\n\n## Impact\n\nAn unauthenticated attacker can read files that an application intended to protect with route-level middleware, when those files are also reachable through a static filesystem mount after path normalization.\n\nThe high-severity va","public_affected_ranges":["< 4.16.0"]}],"null_published_at":"2026-10-31T22:13:27.123Z","source_updated_at":"2026-10-28T21:04:47.000Z","source_disclosed_at":"2026-10-28T21:04:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:56:08.420Z"}],"next_cursor":null,"snapshot_revision":"42594"}