A vulnerability categorized as problematic has been discovered in Traefik up to 2.11.37/3.6.8. Affected is an unknown function of the component TLS Connection Handler. Such manipulation leads to resource consumption.
This vulnerability is listed as CVE-2026-26999. 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-2026-26999 | Traefik up to 2.11.37/3.6.8 TLS Connection resource consumption (Nessus ID 318671)
A vulnerability categorized as problematic has been discovered in Traefik up to 2.11.37/3.6.8. Affected is an unknown function of the component TLS Connection Handler. Such manipulation leads to resource consumption. This vulnerability is…
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IoC Intelligence (1 Indikatoren)
CVE-2026-26999
IR-PLAYBOOK-RCE
HIGHSOC Incident Playbook: Remote Code Execution (RCE) Defense
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - CVE-2026-26999 | Traefik up to 2.11.37/3.6.8 TLS Connection resource consumption (Nessus ID 318671)
id: 36adbf37-cc43-492d-92f0-57d6b5adc02f
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-2026-26999 | Traefik up to" ascii wide
condition:
any of them
}
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