{"id":"CVE-2026-48099","state":"PUBLISHED","title":"WsgiDAV encoded dot segments can escape filesystem share roots","description":"WsgiDAV is a generic and extendable WebDAV server based on WSGI. WsgiDAV 4.3.3 and prior can allow a WebDAV request path containing an encoded parent-directory segment to escape the configured filesystem share root in a specific path layout. The issue is fixed with version 4.3.4.","publishedAt":"2026-08-13T19:15:01.942Z","updatedAt":"2026-08-14T16:35:31.367Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["mar10 wsgidav"],"affected":[{"vendor":"mar10","product":"wsgidav","versions":[{"version":"< 4.3.4","status":"affected"}]}],"references":["https://github.com/mar10/wsgidav/security/advisories/GHSA-wxq4-cc2q-338q","https://github.com/mar10/wsgidav/commit/f894ed8656d7bdd7438ab8148c5a02546cb15183","https://github.com/pypa/advisory-database/tree/main/vulns/wsgidav/PYSEC-2026-3428.yaml"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48099.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48099","state":"PUBLISHED","datePublished":"2026-08-13T19:15:01.942Z","dateUpdated":"2026-08-14T16:35:31.367Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-20T18:40:45.835Z"},"containers":{"cna":{"title":"WsgiDAV encoded dot segments can escape filesystem share roots","descriptions":[{"lang":"en","value":"WsgiDAV is a generic and extendable WebDAV server based on WSGI. WsgiDAV 4.3.3 and prior can allow a WebDAV request path containing an encoded parent-directory segment to escape the configured filesystem share root in a specific path layout. The issue is fixed with version 4.3.4."}],"affected":[{"vendor":"mar10","product":"wsgidav","versions":[{"version":"< 4.3.4","status":"affected"}]}],"references":[{"url":"https://github.com/mar10/wsgidav/security/advisories/GHSA-wxq4-cc2q-338q","name":"https://github.com/mar10/wsgidav/security/advisories/GHSA-wxq4-cc2q-338q","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/mar10/wsgidav/commit/f894ed8656d7bdd7438ab8148c5a02546cb15183","name":"https://github.com/mar10/wsgidav/commit/f894ed8656d7bdd7438ab8148c5a02546cb15183","tags":["x_refsource_MISC"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/wsgidav/PYSEC-2026-3428.yaml","name":"https://github.com/pypa/advisory-database/tree/main/vulns/wsgidav/PYSEC-2026-3428.yaml","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L","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":"2026-08-13T19:15:01.942Z"},"source":{"advisory":"GHSA-wxq4-cc2q-338q","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T16:35:07.996829Z","id":"CVE-2026-48099","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-14T16:35:31.367Z"}}]}}}