What’s Vulnerable › Vulnerabilities

CVE-2026-101092: SiYuan before v3.8.4 Information Disclosure via getCurrentAttrViewImages

• Severity: medium (CVSS 5.3 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: 2026-09-28 · updated 2026-10-01
• Weakness: CWE-200

Description

SiYuan before v3.8.4 fails to enforce publish-access checks in the getCurrentAttrViewImages endpoint, allowing publish readers to retrieve image asset paths from unauthorized databases. Attackers can call the endpoint with an unrendered database identifier obtained through related endpoints to leak detached-row image asset paths and filenames that the rendering endpoint would deny.

Affected products

• siyuan-note siyuan: before 3.8.4 — fixed in 3.8.4

How to fix

Upgrade to a fixed version: siyuan-note siyuan 3.8.4. Check the vendor advisory for mitigations.

References

• https://github.com/siyuan-note/siyuan/commit/48229dc76ce4212fe42295393af617947b157c15
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j9p6-5639-gf4f
• https://www.vulncheck.com/advisories/siyuan-before-3.8.4-information-disclosure-via-getcurrentattrviewimages
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j9p6-5639-gf4f

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