Vulnerability in Siyuan-Note Siyuan
CVE-2026-82652
SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (26.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/siyuan-note/siyuan/security/advisories/GHSA-2pgf-jv7c-q7rx (vendor-advisory)
- www.vulncheck.com/advisories/siyuan-before-3.8.1-information-disclosure-via-pub… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82652?
- CVE-2026-82652 is a medium-severity vulnerability in Siyuan-Note Siyuan, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.3/10. Published 2026-08-30.
- How severe is CVE-2026-82652?
- Medium severity. CVSS v3 base score is 5.3 out of 10.