AUGUST 16, 2026
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Case File

CVE-2026-67859

HIGH · CVSS 7.5 EPSS 0.47% Public Exploit

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

CyberRota Analysis

AI-Generated

A buffer overflow vulnerability in open62541 v1.5.5 enables remote attackers to exploit the Discovery/LDS handling, potentially leading to a denial of service. Organizations utilizing this version of open62541 should prioritize patching to mitigate the risk of service disruption. This issue is particularly critical for environments relying on OPC UA for industrial automation and IoT applications.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗ github.com ↗ github.com ↗

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

CVE
CVE-2026-67859
Severity
HIGH
CVSS
7.5
EPSS
0.47%

Original NVD Description

Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discovery/LDS handling.