{"id":"CVE-2026-85578","title":"SiYuan through 3.8.1 contains an authorization bypass vulnerability in the /api/file/getFile endpoint that allows readers to retrieve files from notebooks explicitly configured as Visible:false","summary":"SiYuan through 3.8.1 contains an authorization bypass vulnerability in the /api/file/getFile endpoint that allows readers to retrieve files from notebooks explicitly configured as Visible:false. Attackers with reader role can access priv…","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-862"],"vendor":"siyuan-note","product":"siyuan","affected":["siyuan <= 3.8.1"],"published":"2026-09-04","updated":"2026-09-14","sourceUpdated":"2026-09-14T14:17:14.770","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85578","references":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8ggq-wq3f-vxrw","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/siyuan-through-3.8.1-authorization-bypass-via-getfile","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T13:24:18.499565Z"},"epss":0.00273,"epssPercentile":0.19931,"ingestedAt":"2026-09-08T20:10:03.164Z","slug":"CVE-2026-85578","body":"## Overview\n\nSiYuan through 3.8.1 contains an authorization bypass vulnerability in the /api/file/getFile endpoint that allows readers to retrieve files from notebooks explicitly configured as Visible:false. Attackers with reader role can access private workspace files including notebook metadata and internal configuration by knowing the hidden notebook identifier and file path.\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":[]}