CVE-2026-103763

Summary

SiYuan before v3.8.5 contains an information disclosure vulnerability that allows read-only publish readers to learn metadata of publish-excluded documents through the getNotebookInfo endpoint. Attackers, including anonymous visitors when no reader password is set, can query publish-visible notebooks to obtain document count, size and modification timestamps of hidden documents.

Affected Software

Weaknesses

• CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-ccxp-q3vg-jvgj

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-ccxp-q3vg-jvgj
• https://www.vulncheck.com/advisories/siyuan-before-3.8.5-information-disclosure-via-api-notebook-getnotebookinfo

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