IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLangflow
APPLangflow1.0.0 – 1.10.1 (excl.)
CISA KEV — detailsi
- Vendori
- IBM ↗
- Producti
- Langflow
- Added to KEVi
- August 4, 2026
- Remediation deadline (US Federal)i
- August 7, 2026(overdue)
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Langflow contains a code injection vulnerability that allows unauthenticated attackers to achieve full remote code execution on default Langflow deployments.
Related vulnerabilities
Langflow: nieuwierzytelniony RCE przez endpoint budowania publicznych przepływów
Langflow RCE przez parametr exec_globals w endpoincie validate
Langflow: przejęcie konta i RCE przez błędną konfigurację CORS
Nieuwierzytelnione RCE w Langflow poprzez wstrzyknięcie kodu w endpoint /api/v1/validate/code
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary code due to improper ...