CVE-2026-63362: open62541 1.3.0 through 1.3.17, 1.4.0 through 1.4.16, 1.5.0 through 1.5.4, master

CVE-2026-63362. CVSS 3.1 base score 5.9 (MEDIUM, Vendor/CNA). EPSS 0.01822 (percentile 0.78613), scored 22-Oct-2026.

Affected technology

open62541 · 1.3.0 through 1.3.17, 1.4.0 through 1.4.16, 1.5.0 through 1.5.4, master
o6 Automation

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

A remote attacker may cause a denial of service via a crafted UDP packet. Vendor/CNA’s CVSS 4.0 assessment (base score 8.2/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 24-Oct-2026 01:44 UTC

CWE: CWE-191
CCR priority: 24.1 /100 (P4)
CVSS 3.1: 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.01822 · percentile 0.78613 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-63362.html