Vulnerability record · CVE-2026-85174 · published 3 September 2026

CVE-2026-85174: Sensitive information in log file vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.51% · top 59.0% CWE-532 · Sensitive information in log file Deferred

8.7CVSS 4.0 base score

0.51%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

3References

8 Sep 2026Last modified by NVD

Description

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
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
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-3wvc-5754-gp67

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

4.6CVE-2025-24984Windows NTFS logs sensitive information, enabling physical-attack disclosureWindows NTFS writes sensitive information into a log file, which an attacker can read to disclose data. The flaw is rated CVSS 3.1 4.6 (Medium) and a…KEVEPSS 2.0%analysed11 Mar 2025 4.4CVE-2023-21492Samsung Android kernel pointer logging enables ASLR bypassSamsung Android devices log kernel pointers to a log file before the SMR May-2023 Release 1 fix. A privileged local attacker who can read those logs …KEVEPSS 2.6%analysed4 May 2023

Source: NIST National Vulnerability Database (record CVE-2026-85174), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.