CVE-2026-68587

highCVSS 8.6covered by 1 sourcefirst seen 2026-08-03

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.

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Advisory coverage (1)

highCVE-2026-68587: SiYuan versions before v3.7.3 contain an information disclosure vulnerability in the getHeadin…nvd · 2026-08-03

External references

NVD record for CVE-2026-68587

CVE.org record

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