CVE-2026-66395: siyuan 0 to before 3.7.2

CVE-2026-66395. CVSS 3.1 base score 9.6 (CRITICAL, Vendor/CNA). EPSS 0.00565 (percentile 0.4619), scored 22-Oct-2026.

Affected technology

siyuan · 0 to before 3.7.2
siyuan-note

Description’s affected range: before v3.7.2

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction

What an attacker can do

The source reports that an attacker could run attacker-chosen code. Vendor/CNA’s CVSS 4.0 assessment (base score 9.4/10) rates confidentiality, integrity and availability impact as high.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-79
CCR priority: 38.5 /100 (P4)
CVSS 3.1: 9.6 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00565 · percentile 0.46264 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-66395.html