VULNERABILITY INTELLIGENCE

CVE-2026-85585

CVSS score8.7 HIGH
EPSS probability0.51%
CISA KEVNot currently listed
Published2026-09-04
Last modified2026-09-08
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

SiYuan before v3.8.2 contains an unbounded resource consumption vulnerability in the request-concurrency middleware that retains mutex entries for every unique request path without eviction. Unauthenticated attackers can send numerous unique request paths to permanently increase process memory and synchronization overhead, degrading availability.

Weakness classification

  • CWE-400: Uncontrolled Resource Consumption

Primary references