CVE-2026-9198
Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation
IBM·Langflow
- Added
- Aug 4, 2026
- Fix due
- Aug 7, 2026
- Ransomware
- Not known
- Published
- Jul 17, 2026
- Updated
- Aug 17, 2026
- First covered
- Aug 5, 2026
- Latest story
- 3 months ago
Summary
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
CWE-94Improper Control of Generation of Code ('Code Injection')
Attack profile
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCISA required action
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.
Affected products
- IBM Langflow OSS1.0.0 to 1.10.0