HIGH

CVE-2026-68587

2026-08-03 CVSS v3.1

CVSS

8.6

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.

Weakness (CWE)

CWE-862 Missing Authorization

EPSS Score

0.25%

Probability of exploitation in next 30 days

16.1th percentile

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-69mh-gvh4-8gp7 https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getheading-transaction

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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