VULNERABILITY INTELLIGENCE
CVE-2026-85581
CVSS score8.7 HIGH
EPSS probability0.57%
CISA KEVNot currently listed
Published2026-09-04
Last modified2026-09-10
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 a denial of service vulnerability in the unauthenticated /api/system/uiproc endpoint that accepts and retains attacker-controlled process identifiers without size limits or authentication. Attackers can send repeated requests with unique identifiers to exhaust process memory and degrade service availability.
Weakness classification
- CWE-770: Allocation of Resources Without Limits or Throttling