P4Verified

CVE-2026-74902: siyuan 0 to before 3.7.4

CVE-2026-74902. CVSS 3.1 base score 8.6 (HIGH, Vendor/CNA). EPSS 0.00198 (percentile 0.08749), scored 2026-10-06.

Affected technology

siyuan · 0 to before 3.7.4
siyuan-note

Description’s affected range: before v3.7.4

Component: Not specified by the source
File: upload

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

What an attacker can do

Attackers can craft a malicious filename containing script payloads that execute with full OS command access when a user drags, drops, or pastes the file into the editor. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high.

Published 2026-10-08 17:34:48.391030+00:00

CWE: CWE-79
CCR priority: 34.4 /100 (P4)
CVSS 3.1: 8.6 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00198 · percentile 0.08786 · 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-2026-74902.html