A vulnerability has been found in Apache Tomcat up to 11.0.25/10.1.59/9.0.121 and classified as problematic. This issue affects some unknown processing. The manipulation leads to resource consumption. This vulnerability is traded as CVE-2026-77791. It is possible to initiate the attack remotely. There is no exploit available. The affected... Weiterlesen
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CVE-2026-77791 | Apache Tomcat up to 11.0.25/10.1.59/9.0.121 resource consumption (Nessus ID 349590 / WID-SEC-2026-3527)
A vulnerability has been found in Apache Tomcat up to 11.0.25/10.1.59/9.0.121 and classified as problematic. This issue affects some unknown processing. The manipulation leads to resource consumption. This vulnerability is traded as…
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IoC Intelligence (1 Indikatoren)
CVE-2026-77791
CTI Threat Relationship Graph2 Knoten / 1 Relationen
IR-PLAYBOOK-RCEHIGH
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SOC Incident Playbook: Remote Code Execution (RCE) Defense
1-Click Detection Engineering: Sigma & YARA RulesSOC Ready
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title: Detect Exploitation - CVE-2026-77791 | Apache Tomcat up to 11.0.25/10.1.59/9.0.121 resource consumption (Nessus ID 349590 / WID-SEC-2026-3527)
id: f6613e12-1870-4d5f-aead-518a9196525c
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-2026-77791 | Apache Tomcat" ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: NETWORK
LOCALIZED
Perimeter & Ingress
GEFÄHRDET (75%)
Lateral Pivot & AD
Geringes Risiko
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-2026-77791 | Apache Tomcat up to 11..... 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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