HIGH 8.7 NVD
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
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.
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-wv96-wmf5-xvj2
- https://www.vulncheck.com/advisories/siyuan-before-3.8.2-denial-of-service-via-unauthentic
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-09-04 via NVD.
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