CVE-2026-85174

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.

Scoring

Severity
HIGH
CVSS base score
8.8
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS probability
0.30%
CWE
CWE-532
Published
2026-09-03
Last modified
2026-09-05

Affected products

Weakness type

Related vulnerabilities

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