AUGUST 16, 2026
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Case File

CVE-2026-67857

HIGH · CVSS 7.5 EPSS 0.35% Public Exploit

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

CyberRota Analysis

AI-Generated

The vulnerability in open62541 version 1.5.5 allows for an out-of-bounds read in the client-side function responseReadNamespacesArray(), potentially leading to unauthorized data access or application crashes. Organizations using this version of open62541, particularly those in industrial automation or IoT sectors, should prioritize patching to mitigate risks associated with this high-severity flaw.

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-2026-67857
Severity
HIGH
CVSS
7.5
EPSS
0.35%

Original NVD Description

open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray() in src/client/ua_client_connect.c.