{"id":"CVE-2026-85583","title":"SiYuan versions before v3.8.2 contain a path traversal vulnerability in the reader-accessible file-read endpoint that follows symlinks when opening authorized asset paths","summary":"SiYuan versions before v3.8.2 contain a path traversal vulnerability in the reader-accessible file-read endpoint that follows symlinks when opening authorized asset paths. Attackers with reader role can request a logical asset under data…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-59"],"vendor":"siyuan-note","product":"siyuan","affected":["siyuan < 3.8.2"],"published":"2026-09-04","updated":"2026-09-14","sourceUpdated":"2026-09-14T20:16:58.007","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85583","references":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-g7gf-v79m-jwrm","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/siyuan-before-3.8.2-path-traversal-via-symlink-in-file-api","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00476,"epssPercentile":0.40171,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T19:19:17.004578Z"},"ingestedAt":"2026-09-08T20:10:03.164Z","slug":"CVE-2026-85583","body":"## Overview\n\nSiYuan versions before v3.8.2 contain a path traversal vulnerability in the reader-accessible file-read endpoint that follows symlinks when opening authorized asset paths. Attackers with reader role can request a logical asset under data/assets/ that is a symlink to a file outside the workspace and receive the target file bytes, bypassing workspace boundary restrictions.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}