What’s Vulnerable › Vulnerabilities

CVE-2026-68585: SiYuan before v3.7.3 Metadata Disclosure via getBlockInfo

• Severity: medium (CVSS 5.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-03 · updated 2026-10-23
• Weakness: CWE-862

Description

SiYuan versions before v3.7.3 contain a metadata disclosure vulnerability in the /api/block/getBlockInfo endpoint that returns document root metadata including title for publish-forbidden documents without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a block ID to retrieve the title, notebook, path, root ID, and icon of documents administrators marked as excluded from publishing.

Affected products

• siyuan-note siyuan: before 3.7.3 — fixed in 3.7.3

How to fix

Upgrade to a fixed version: siyuan-note siyuan 3.7.3. Check the vendor advisory for mitigations.

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-pm3w-vxp9-ccwc
• https://www.vulncheck.com/advisories/siyuan-before-metadata-disclosure-via-getblockinfo
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-pm3w-vxp9-ccwc

Get alerted when CVE-2026-68585 or the next vulnerability affects your stack