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HIGH

CVE-2026-85174

CVSS v3

8.8

HIGH

EPSS Score

0.5 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-03
Last Modified
2026-09-03

Frequently asked questions

What is 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.

Is CVE-2026-85174 actively exploited?

Active exploitation of CVE-2026-85174 has not been confirmed. Its EPSS score was 0.5% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-85174?

CVE-2026-85174 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2026-85174 affecting your environment?

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