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OpenAdvisories
High · 8.8 CVE-2026-85174 EUVD-2026-70409GHSA-gw65-q899-j639

SiYuan before v3.8.2 API Token Exposure via Log File

Published Sep 3, 2026 · Updated Sep 5, 2026 · Assigned by VulnCheck

Description

SiYuan before v3.8.2 logs API tokens from query parameters in plaintext to an accessible log file when full-text search requests exceed timing thresholds. Authenticated attackers can read the log file via the getFile endpoint to recover admin API tokens and gain permanent administrative access.

Affected products

VendorProductAffectedFixed
siyuan-note siyuan < 3.8.2 3.8.2

References