{"id":"CVE-2026-39406","state":"PUBLISHED","title":"@hono/node-server has a middleware bypass via repeated slashes in serveStatic","description":"@hono/node-server allows running the Hono application on Node.js. Prior to 1.19.13, a path handling inconsistency in serveStatic allows protected static files to be accessed by using repeated slashes (//) in the request path. When route-based middleware (e.g., /admin/*) is used for authorization, the router may not match paths containing repeated slashes, while serveStatic resolves them as normalized paths. This can lead to a middleware bypass. This vulnerability is fixed in 1.19.13.","publishedAt":"2026-04-08T14:34:30.543Z","updatedAt":"2026-04-08T15:17:38.121Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["honojs node-server"],"affected":[{"vendor":"honojs","product":"node-server","versions":[{"version":"< 1.19.13","status":"affected"}]}],"references":["https://github.com/honojs/node-server/security/advisories/GHSA-92pp-h63x-v22m"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/39xxx/CVE-2026-39406.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-39406","state":"PUBLISHED","datePublished":"2026-04-08T14:34:30.543Z","dateUpdated":"2026-04-08T15:17:38.121Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-07T00:23:30.594Z"},"containers":{"cna":{"title":"@hono/node-server has a middleware bypass via repeated slashes in serveStatic","descriptions":[{"lang":"en","value":"@hono/node-server allows running the Hono application on Node.js. Prior to 1.19.13, a path handling inconsistency in serveStatic allows protected static files to be accessed by using repeated slashes (//) in the request path. When route-based middleware (e.g., /admin/*) is used for authorization, the router may not match paths containing repeated slashes, while serveStatic resolves them as normalized paths. This can lead to a middleware bypass. This vulnerability is fixed in 1.19.13."}],"affected":[{"vendor":"honojs","product":"node-server","versions":[{"version":"< 1.19.13","status":"affected"}]}],"references":[{"url":"https://github.com/honojs/node-server/security/advisories/GHSA-92pp-h63x-v22m","name":"https://github.com/honojs/node-server/security/advisories/GHSA-92pp-h63x-v22m","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-08T14:34:30.543Z"},"source":{"advisory":"GHSA-92pp-h63x-v22m","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-08T15:17:32.143505Z","id":"CVE-2026-39406","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-08T15:17:38.121Z"}}]}}}