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CVE-2026-72803: siyuan 0 to before 3.7.4
CVE-2026-72803. CVSS 3.1 base score 5.8 (MEDIUM, Vendor/CNA). EPSS 0.00325 (percentile 0.24302), scored 22-Oct-2026.
Affected technology
siyuan · 0 to before 3.7.4
siyuan-note
Description’s affected range: versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as low; integrity and availability impact as none.
- CWE
- CWE-862
- CCR priority
- 23.3 /100 (P4)
- CVSS 3.1
- 5.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N · Vendor/CNA
- EPSS
- 0.00325 · percentile 0.24302 · 2026-10-22
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-72803.html