A vulnerability was found in IBM WebSphere Application Server up to 1.1.9.12/8.5. It has been classified as problematic. The impacted element is an unknown function of the component JAX-WS Endpoint. The manipulation leads to deserialization.
This vulnerability is referenced as CVE-2026-9319. Remote exploitation of the attack is possible. No exploit is available.
Upgrading the affected component is recommended.
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CVE-2026-9319 | IBM WebSphere Application Server up to 1.1.9.12/8.5 JAX-WS Endpoint deserialization (Nessus ID 318160)
A vulnerability was found in IBM WebSphere Application Server up to 1.1.9.12/8.5. It has been classified as problematic. The impacted element is an unknown function of the component JAX-WS Endpoint. The manipulation leads to…
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IoC Intelligence (2 Indikatoren)
CVE-2026-93191[.]1[.]9[.]12
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title: Detect Exploitation - CVE-2026-9319 | IBM WebSphere Application Server up to 1.1.9.12/8.5 JAX-WS Endpoint deserialization (Nessus ID 318160)
id: 5ebec2b4-ac93-45a2-8147-071345669a21
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:
DestinationIp:
- '1.1.9.12'
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-2026-9319 | IBM WebSphere " 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-2026-9319 | IBM WebSphere Applicatio.... 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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