CVE-2026-72803

Medium

Open

TLP:CLEAR

SiYuan before v3.7.4 Information Disclosure via getBlockAttrs

NVD CVE.org

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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.

Details

CVSS Score: 6.9
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
Confidence: 90%
Published: Aug 12, 2026
Last Modified: Aug 12, 2026

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