CVE-2026-85582
CVE-2026-85582
SiYuan versions before v3.8.2 contain an unbounded session creation vulnerability in the publish-service Basic Auth handler that allows authenticated attackers to exhaust memory. Attackers can repeatedly authenticate with valid credentials to create persistent session entries without expiry or capacity limits, causing indefinite process memory growth and denial of service.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-85582?
- CVE-2026-85582 is a medium-severity vulnerability, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-09-04.
- How severe is CVE-2026-85582?
- Medium severity. CVSS v3 base score is 6.5 out of 10.