What’s Vulnerable › Vulnerabilities

CVE-2026-72797: SiYuan before v3.7.4 Information Disclosure via getEncryptedNotebookStatus

• Severity: medium (CVSS 5.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-12 · updated 2026-10-24
• Weakness: CWE-862

Description

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the getEncryptedNotebookStatus endpoint that returns encrypted notebook identifiers, names, and lock states without publish-access filtering. Anonymous readers and publish-mode accounts can enumerate all encrypted notebooks and their current unlock status, revealing sensitive notebook names and decryption state in memory.

Affected products

• siyuan-note siyuan: before 3.7.4 — fixed in 3.7.4

How to fix

Upgrade to a fixed version: siyuan-note siyuan 3.7.4. Check the vendor advisory for mitigations.

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-f2rw-w22v-54vh
• https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getencryptednotebookstatus
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-f2rw-w22v-54vh

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