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Upgrade to ProDetect Langflow Untrusted Code Execution via CVE-2026-0770 (CWE-829) in IBM QRadar
Detects exploitation of CVE-2026-0770, an Inclusion of Functionality from Untrusted Control Sphere vulnerability in Langflow that allows unauthenticated or low-privileged actors to trigger execution of code, components, or custom nodes sourced from an untrusted control sphere. This flaw is listed in CISA KEV with a public exploit-db PoC and is actively exploited. Exploitation typically manifests as unexpected outbound connections from the Langflow host to fetch remote component definitions, followed by anomalous child process spawns from the Langflow server process, or webhook/API calls to Langflow's flow-execution and custom component endpoints from untrusted sources.
MITRE ATT&CK
- Tactic
- Initial Access Execution
QRadar Detection Query
SELECT DATEFORMAT(starttime,'YYYY-MM-dd HH:mm:ss') AS EventTime, sourceip, destinationip, "Process Name", "Process CommandLine", "Parent Process Name", username
FROM events
WHERE ("Parent Process Name" ILIKE '%langflow%' OR "Process CommandLine" ILIKE '%langflow%')
AND ("Process Name" IN ('bash','sh','python','python3','powershell.exe','cmd.exe','curl','wget')
OR "Process CommandLine" ILIKE '%custom_component%'
OR "Process CommandLine" ILIKE '%exec(%'
OR "Process CommandLine" ILIKE '%eval(%')
LAST 24 HOURSIdentifies process execution events where a Langflow-related parent process spawns shell interpreters or references custom component/exec/eval patterns, indicative of untrusted code inclusion exploitation.
Data Sources
Required Tables
False Positives & Tuning
- Approved plugin/component development workflows on Langflow servers
- Administrative scripting for backup or maintenance of the Langflow deployment
- Automated test suites invoking interpreters as part of CI validation
Other platforms for CVE-2026-0770
Testing Methodology
Validate this detection against 3 adversary techniques from Atomic Red Team. Each test below lists the behaviour to exercise and the telemetry you should expect to see. Executable commands and cleanup steps are available with Pro.
- Test 1Simulate Langflow custom component remote fetch
Expected signal: Outbound HTTP/S connection from a process associated with the Langflow environment to an external GitHub raw content URL, captured in network/proxy logs.
- Test 2Simulate shell spawn from Langflow parent process
Expected signal: Process creation event showing a bash child process spawned by a python3 process whose lineage/name references 'langflow', captured via Sysmon/EDR process telemetry.
- Test 3Simulate encoded PowerShell execution from Langflow process (Windows)
Expected signal: Process creation event for powershell.exe with -EncodedCommand flag, ideally spawned by or associated with a process/service named 'langflow', captured in Windows Security/Sysmon Event ID 4688/1.
References (5)
- https://github.com/langflow-ai/langflow/releases/tag/v1.9.0
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
- https://nvd.nist.gov/vuln/detail/CVE-2026-0770
- https://www.exploit-db.com/exploits/52597
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