๐Ÿ” CVE Alert

CVE-2026-85174

HIGH 8.8

SiYuan before v3.8.2 API Token Exposure via Log File

CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-532
Vendor siyuan-note
Product siyuan
Published Sep 3, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

siyuan-note / siyuan
0 < 3.8.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/siyuan-note/siyuan/security/advisories/GHSA-3wvc-5754-gp67 vulncheck.com: https://www.vulncheck.com/advisories/siyuan-before-3.8.2-api-token-exposure-via-log-file

Credits

๐Ÿ” GhostOverflow