High severity8.8NVD Advisory· Published Sep 3, 2026

CVE-2026-85174

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

Siyuan Note/Siyuanllm-fuzzy
Range: <3.8.2

Patches

Vulnerability mechanics

References

github.com/siyuan-note/siyuan/security/advisories/GHSA-3wvc-5754-gp67nvd
www.vulncheck.com/advisories/siyuan-before-3.8.2-api-token-exposure-via-log-filenvd

News mentions

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cvss	0.572
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000