CVE-2026-85174
SiYuan before v3.8.2 API Token Exposure via Log File
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 3, 2026
- Updated
- Sep 5, 2026
- Reserved
- Sep 3, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-532 Insertion of Sensitive Information into Log File
Affected Products
| Product | Versions |
|---|---|
siyuansiyuan-note |
|
References
- GitHub Security Advisory (GHSA-3wvc-5754-gp67)vendor-advisory
- VulnCheck Advisory: SiYuan before v3.8.2 API Token Exposure via Log Filethird-party-advisory
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