CVE-2026-105205

5.3 MEDIUMpublic exploit available

Published 2026-10-04 · Updated 2026-10-05

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo or getDocsInfo for a published document ID to obtain refIDs and refCount of hidden referencing blocks, bypassing the publish confidentiality boundary.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses

CWE-200

Public exploit & PoC references

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v758-8w88-pfr2
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v758-8w88-pfr2

All references

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v758-8w88-pfr2
https://www.vulncheck.com/advisories/siyuan-before-3.8.5-information-disclosure-via-api-block-getdocinfo-and-getdocsinfo
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v758-8w88-pfr2

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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