A vulnerability categorized as critical has been discovered in Google Chrome. This issue affects some unknown processing of the component ServiceWorkers. The manipulation results in improper access controls.
This vulnerability was named CVE-2026-5911. The attack may be performed from remote. There is no available exploit.
It is advisable to upgrade the affected component.
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CVE-2026-5911 | Google Chrome up to 146.0.7680.178 ServiceWorkers access control (ID 485785 / Nessus ID 305747)
A vulnerability categorized as critical has been discovered in Google Chrome. This issue affects some unknown processing of the component ServiceWorkers. The manipulation results in improper access controls. This vulnerability was named…
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IoC Intelligence (1 Indikatoren)
CVE-2026-5911
CTI Threat Relationship Graph2 Knoten / 1 Relationen
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title: Detect Exploitation - CVE-2026-5911 | Google Chrome up to 146.0.7680.178 ServiceWorkers access control (ID 485785 / Nessus ID 305747)
id: 26e0649d-a1e8-4493-88d7-14853884fca8
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_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2026-5911 | Google Chrome " ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
LOCALIZED
Perimeter & Ingress
Geringes Risiko
Lateral Pivot & AD
GEFÄHRDET (80%)
Crown Jewels & DB
Geringes Risiko
Supply Chain Reach
Geringes Risiko
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2026-5911 | Google Chrome up to 146..... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
🛡️ Angriffsfläche & Exposure
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
⚡ Empfohlene Sofortmaßnahmen
- 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.
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