{"id":"CVE-2026-25992","state":"PUBLISHED","title":"SiYuan has a File Read Interface Case Bypass Vulnerability","description":"SiYuan is a personal knowledge management system. Prior to 3.5.5, the /api/file/getFile endpoint uses case-sensitive string equality checks to block access to sensitive files. On case-insensitive file systems such as Windows, attackers can bypass restrictions using mixed-case paths and read protected configuration files. This vulnerability is fixed in 3.5.5.","publishedAt":"2026-02-10T17:47:36.041Z","updatedAt":"2026-02-10T19:17:41.722Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["siyuan-note siyuan"],"affected":[{"vendor":"siyuan-note","product":"siyuan","versions":[{"version":"< 3.5.5","status":"affected"}]}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-f72r-2h5j-7639","https://github.com/siyuan-note/siyuan/releases/tag/v3.5.5"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/25xxx/CVE-2026-25992.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25992","state":"PUBLISHED","datePublished":"2026-02-10T17:47:36.041Z","dateUpdated":"2026-02-10T19:17:41.722Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-09T17:41:55.858Z"},"containers":{"cna":{"title":"SiYuan has a File Read Interface Case Bypass Vulnerability","descriptions":[{"lang":"en","value":"SiYuan is a personal knowledge management system. Prior to 3.5.5, the /api/file/getFile endpoint uses case-sensitive string equality checks to block access to sensitive files. On case-insensitive file systems such as Windows, attackers can bypass restrictions using mixed-case paths and read protected configuration files. This vulnerability is fixed in 3.5.5."}],"affected":[{"vendor":"siyuan-note","product":"siyuan","versions":[{"version":"< 3.5.5","status":"affected"}]}],"references":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-f72r-2h5j-7639","name":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-f72r-2h5j-7639","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/siyuan-note/siyuan/releases/tag/v3.5.5","name":"https://github.com/siyuan-note/siyuan/releases/tag/v3.5.5","tags":["x_refsource_MISC"]}],"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"}}],"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":"2026-02-10T17:47:36.041Z"},"source":{"advisory":"GHSA-f72r-2h5j-7639","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-10T19:16:10.562245Z","id":"CVE-2026-25992","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-10T19:17:41.722Z"}}]}}}