Intelligence View
CVE-2026-6204 | LibreNMS up to 26.2.x Netcommand Feature os command injection (GHSA-pr3g-phhr-h8fh / EUVD-2026-21908)
A vulnerability classified as critical has been found in LibreNMS up to 26.2.x. Affected is an unknown function of the component Netcommand Feature. The manipulation leads to os command injection. This vulnerability is referenced as…
This vulnerability is referenced as CVE-2026-6204. Remote exploitation of the attack is possible. No exploit is available.
It is recommended to upgrade the affected component.
SOC Incident Playbook: Vulnerability Remediation & Verification
title: Detect Exploitation - CVE-2026-6204 | LibreNMS up to 26.2.x Netcommand Feature os command injection (GHSA-pr3g-phhr-h8fh / EUVD-2026-21908)
id: 5389bbff-f4fd-4571-8567-122bd71ddc74
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_access
- attack.t1190rule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2026-6204 | LibreNMS up to" ascii wide
condition:
any of them
}tsecurity.de Cognitive Threat RAG
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2026-6204 | LibreNMS up to 26.2.x Ne.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
SOCIAL SHARE CARD GENERATOR