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.

CVSS Vector

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-3wvc-5754-gp67
• https://www.vulncheck.com/advisories/siyuan-before-3.8.2-api-token-exposure-via-log-file