CVE-2026-85582

MediumCVSS 6.5/10Last modified Sep 8, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 4, 2026
Last modified
Sep 8, 2026
NVD status
Deferred

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CVE-2026-85582: Medium severity, CVSS 6.5 | Vulnix