Unrated severityOSV Advisory· Published Aug 3, 2026· Updated Aug 3, 2026
SiYuan before v3.7.3 Information Disclosure via getHeading*Transaction
CVE-2026-68587
Description
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.
Affected products
2v3.7.3-beta.2, v3.7.3-beta.1, v3.7.0-rc.2, …+ 1 more
- (no CPE)range: v3.7.3-beta.2, v3.7.3-beta.1, v3.7.0-rc.2, …
- (no CPE)range: <3.7.3
Patches
Vulnerability mechanics
References
2- github.com/siyuan-note/siyuan/security/advisories/GHSA-69mh-gvh4-8gp7mitrevendor-advisory
- www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getheading-transactionmitrethird-party-advisory
News mentions
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