Medium severity5.8NVD Advisory· Published Aug 12, 2026· Updated Aug 12, 2026

CVE-2026-72803

Description

SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Siyuan Note/Siyuanllm-fuzzy
Range: <v3.7.4

Patches

Vulnerability mechanics

References

github.com/siyuan-note/siyuan/security/advisories/GHSA-qvq9-hq6p-v378nvd
www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getblockattrsnvd

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