PT-2026-79545 · Siyuan · Siyuan

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CVE-2026-62204

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Published

2026-08-22

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Updated

2026-08-22

CVSS v3.1

6.6

Medium

VectorAV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4
Description Insufficient validation occurs in the bazaar install endpoints when verifying if the packageName matches the downloaded package content. Attackers with same-origin access can overwrite trusted plugins by providing mismatched packageName and repoURL parameters, allowing them to maintain persistence across application restarts.
Recommendations Update to version 3.7.4 or later.

Fix

Insufficient Verification of Data Authenticity

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Weakness Enumeration

Related Identifiers

CVE-2026-62204

Affected Products

Siyuan