{"id":"CVE-2026-39847","state":"PUBLISHED","title":"Emmett has a path traversal in internal assets handler","description":"Emmett is a full-stack Python web framework designed with simplicity. From 2.5.0 to before 2.8.1, the RSGI static handler for Emmett's internal assets (/__emmett__ paths) is vulnerable to path traversal attacks. An attacker can use ../ sequences (eg /__emmett__/../rsgi/handlers.py) to read arbitrary files outside the assets directory. This vulnerability is fixed in 2.8.1.","publishedAt":"2026-04-07T21:37:54.760Z","updatedAt":"2026-04-08T15:35:40.853Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["emmett-framework emmett"],"affected":[{"vendor":"emmett-framework","product":"emmett","versions":[{"version":">= 2.5.0, < 2.8.1","status":"affected"}]}],"references":["https://github.com/emmett-framework/emmett/security/advisories/GHSA-pr46-2v3c-5356"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/39xxx/CVE-2026-39847.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-39847","state":"PUBLISHED","datePublished":"2026-04-07T21:37:54.760Z","dateUpdated":"2026-04-08T15:35:40.853Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-07T19:13:20.378Z"},"containers":{"cna":{"title":"Emmett has a path traversal in internal assets handler","descriptions":[{"lang":"en","value":"Emmett is a full-stack Python web framework designed with simplicity. From 2.5.0 to before 2.8.1, the RSGI static handler for Emmett's internal assets (/__emmett__ paths) is vulnerable to path traversal attacks. An attacker can use ../ sequences (eg /__emmett__/../rsgi/handlers.py) to read arbitrary files outside the assets directory. This vulnerability is fixed in 2.8.1."}],"affected":[{"vendor":"emmett-framework","product":"emmett","versions":[{"version":">= 2.5.0, < 2.8.1","status":"affected"}]}],"references":[{"url":"https://github.com/emmett-framework/emmett/security/advisories/GHSA-pr46-2v3c-5356","name":"https://github.com/emmett-framework/emmett/security/advisories/GHSA-pr46-2v3c-5356","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","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:H","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":"2026-04-07T21:37:54.760Z"},"source":{"advisory":"GHSA-pr46-2v3c-5356","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-08T15:33:34.667959Z","id":"CVE-2026-39847","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-08T15:35:40.853Z"}}]}}}