P4Verified

CVE-2026-100645: siyuan 3.7.0 to before 3.8.4

CVE-2026-100645. CVSS 3.1 base score 8.0 (HIGH, Vendor/CNA). EPSS 0.00351 (percentile 0.2657), scored 2026-10-06.

Affected technology

siyuan · 3.7.0 to before 3.8.4
siyuan-note

Description’s affected range: versions 3.7.0 before 3.8.4

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · Passive user interaction

What an attacker can do

Attackers can inject JavaScript that calls Node.js child_process APIs to execute arbitrary commands with user privileges. Vendor/CNA’s CVSS 4.0 assessment (base score 8.6/10) rates confidentiality, integrity and availability impact as high.

Published 2026-10-08 17:34:49.703338+00:00

CWE: CWE-79
CCR priority: 32.1 /100 (P4)
CVSS 3.1: 8.0 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00351 · percentile 0.26674 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-100645.html