CVE-2026-9198: IBM Langflow OSS 1.0.0 through 1.10.0 allows

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

• CISA KEV-listed (remediation due 2026-08-07)
• EPSS 60.6% (99.1% percentile)
• CVSS 9.8 critical

Related briefings

• CISA says hackers exploit critical IBM Langflow AI flaw 2026-08-04

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Read the full analysis on IntelFusions