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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-85581

SiYuan before v3.8.2 Denial of Service via unauthenticated UI-process registration

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

siyuan-note siyuan

Default version status: unaffected

  • 0 to < 3.8.2affected
  • 3.8.2unaffected
pkg:golang/github.com/siyuan-note/siyuan

References