VULNERABILITY INTELLIGENCE

CVE-2026-85582

CVSS score7.1 HIGH
EPSS probability0.44%
CISA KEVNot currently listed
Published2026-09-04
Last modified2026-09-08
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

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.

Weakness classification

  • CWE-770: Allocation of Resources Without Limits or Throttling

Primary references