P4Verified

CVE-2026-100644: siyuan 0 to before 3.8.4

CVE-2026-100644. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00337 (percentile 0.24915), scored 2026-10-06.

Affected technology

siyuan · 0 to before 3.8.4
siyuan-note

Description’s affected range: before v3.8.4

Component: Not specified by the source

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

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-08 17:34:53.717692+00:00

CWE: CWE-89
CCR priority: 30.1 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · Vendor/CNA
EPSS: 0.00337 · percentile 0.25021 · 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-2026-100644.html