A vulnerability classified as critical was found in IBM Langflow OSS up to 1.10.0. The impacted element is an unknown function of the component Webhook Authentication. Executing a manipulation of the argument UUID can lead to improper authentication.
This vulnerability is tracked as CVE-2026-8505. The attack can be launched remotely. No exploit exists.
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CVE-2026-8505 | IBM Langflow OSS up to 1.10.0 Webhook Authentication UUID improper authentication (EUVD-2026-45272)
A vulnerability classified as critical was found in IBM Langflow OSS up to 1.10.0. The impacted element is an unknown function of the component Webhook Authentication. Executing a manipulation of the argument UUID can lead to improper…
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IoC Intelligence (1 Indikatoren)
CVE-2026-8505
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - CVE-2026-8505 | IBM Langflow OSS up to 1.10.0 Webhook Authentication UUID improper authentication (EUVD-2026-45272)
id: f4edf5f5-9eac-4ff2-810d-536a810fd259
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-2026-8505 | IBM Langflow O" ascii wide
condition:
any of them
}
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