CVE-2026-9198
CVE-2026-9198
Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation
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.
CVSS 3.1 · CNA
chance of exploitation in the next 30 days (EPSS; higher than 98% of CVEs)
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
Scores
Affected products
- IBM Langflow OSS: 1.0.0 to ≤ 1.10.0
Weakness: CWE-94
1 references (advisories, patches, write-ups)
- https://www.ibm.com/support/pages/node/7278927 · vendor-advisory, patch
Sources: CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.