AUGUST 16, 2026
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Case File

CVE-2026-67856

HIGH · CVSS 7.5 EPSS 0.42% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-04 · Last synced 2026-08-16

CyberRota Analysis

AI-Generated

Open62541 versions 1.5.5 and earlier are vulnerable to a denial of service attack, which can be triggered by specially crafted requests related to subscription management. This vulnerability could disrupt service availability for applications relying on the affected library. Organizations utilizing open62541 should prioritize patching or upgrading to mitigate potential service interruptions.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-67856
Severity
HIGH
CVSS
7.5
EPSS
0.42%

Original NVD Description

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItems(Sampling), Publish, TransferSubscriptions, and DeleteSubscriptions requests