NVD HIGH: CVE-2026-100642 — SiYuan versions from v2.1.0 before v3.8.4 contain a cross-site request forgery v...

Saturday, September 26, 2026 at 02:16 PM UTC·Source: NIST NVD

Updated: Wednesday, September 30, 2026 at 02:00 AM UTC

Executive Summary

SiYuan versions from v2.1.0 before v3.8.4 contain a cross-site request forgery vulnerability in the CheckAuth lock-screen pass-through branch that grants administrator access to loopback requests without validating Origin headers. Attackers can craft malicious web pages that force victims to terminate the kernel process, read workspace configuration and proxy settings, and trigger administrative a

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2026-100642

NVD MITRE CVE

Source Attribution

Originally published by NIST NVD on Sep 26, 2026. Verified by: NIST.

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