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ZDI-26-786: NoMachine nxwebrunner Heap-based Buffer Overflow Remote Code Execution Vulnerability

0
Critical
Vulnerabilityremoterce
Published: 10/22/2026 (10/22/2026, 05:00:00 UTC)
Source: Zero Day Initiative

Description

A critical heap-based buffer overflow vulnerability in NoMachine nxwebrunner allows remote attackers to execute arbitrary code without authentication. The vulnerability is assigned CVE-2026-114549 and has a CVSS rating of 9.8 by the Zero Day Initiative. No patch or affected versions are specified in the available data.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/24/2026, 08:16:22 UTC

Technical Analysis

The vulnerability identified as CVE-2026-114549 in NoMachine nxwebrunner is a heap-based buffer overflow that enables remote code execution by unauthenticated attackers. The Zero Day Initiative assigned a high severity CVSS score of 9.8, indicating critical impact potential. No detailed technical information, affected versions, or patch status is provided in the input data.

Potential Impact

Successful exploitation allows remote attackers to execute arbitrary code on affected NoMachine installations without requiring authentication, posing a critical security risk.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected service and monitor for suspicious activity.

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Threat ID: 6adc69445a5d48fa0da91dc6

Added to database: 10/24/2026, 08:16:04 UTC

Last enriched: 10/24/2026, 08:16:22 UTC

Last updated: 10/24/2026, 08:41:47 UTC

Views: 4

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