HIGHVulnerability

CVE-2026-85581

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.

Properties

severity
HIGH
score
7.5
cve_id
CVE-2026-85581
signal_observed_at
2026-09-16T01:21:39+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
published_at
2026-09-04T12:17:20.050
last_modified
2026-09-10T16:17:59.087

Related Entities (2)

HAS_WEAKNESS (1)

[Weakness]Allocation of Resources Without Limits or Throttling

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-85581 — Ninja Signal Threat Intelligence | Ninja Signal