AUGUST 16, 2026
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Case File

CVE-2026-19259

MEDIUM · CVSS 5.3 EPSS 0.12% Public Exploit

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

CyberRota Analysis

AI-Generated

A heap-based buffer overflow vulnerability exists in the MZ Automation libiec61850 library, specifically within the MMS Protocol Workflow component. This flaw can be exploited locally by manipulating the GetNamedVariableListAttributesResponse.itemId argument, potentially allowing an attacker to execute arbitrary code. Organizations using affected versions of this library should prioritize patching to mitigate the risk of local exploitation.

Public Exploit Signal

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

Detected Signals
exploit

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

CVE
CVE-2026-19259
Severity
MEDIUM
CVSS
5.3
EPSS
0.12%

Original NVD Description

A vulnerability has been found in MZ Automation libiec61850 up to 1.6.1. The affected element is the function MmsMapping_varAccessSpecToObjectReference of the file src/iec61850/common/iec61850_common.c of the component MMS Protocol Workflow. Such manipulation of the argument GetNamedVariableListAttributesResponse.itemId leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.