{"id":"CVE-2026-68587","aliases":["GHSA-69mh-gvh4-8gp7","GO-2026-6381"],"url":"https://o3.security/vulnerability/CVE-2026-68587","summary":"SiYuan before v3.7.3 Information Disclosure via getHeading*Transaction","details":"SiYuan versions before v3.7.3 contain an information disclosure vulnerability in the getHeadingDeleteTransaction, getHeadingLevelTransaction, and getHeadingInsertTransaction endpoints that return rendered block DOM without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a heading block ID to read full rendered content of publish-disabled documents that should be restricted.","published":"2026-08-03T13:20:38.528Z","modified":"2026-09-10T15:26:00.079898016Z","cvss":null,"epss":{"score":0.00245,"percentile":0.15673,"asOf":"2026-09-04"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/siyuan-note/siyuan/kernel","fixedVersion":"0.0.0-20260721013353-69db783b782a"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68587.json"},{"type":"ADVISORY","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-69mh-gvh4-8gp7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68587"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getheading-transaction"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T15:26:00.079898016Z"}}