PT-2026-85482 · Siyuan · Siyuan

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CVE-2026-85582

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Published

2026-09-04

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Updated

2026-09-04

CVSS v4.0

7.1

High

VectorAV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.2
Description The publish-service Basic Auth handler contains an unbounded session creation issue. Authenticated attackers can repeatedly authenticate using valid credentials to generate persistent session entries that lack expiry or capacity limits. This leads to continuous process memory growth, resulting in a denial of service.
Recommendations Update to version 3.8.2 or later.

Exploit

Fix

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

CVE-2026-85582
GHSA-F4VJ-PPP2-5HG4

Affected Products

Siyuan