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IBMCVE-2026-9198

IBM Langflow OSS: code injection

Critical9.8CVE-2026-9198 · Published Jul 17, 2026 · updated Aug 17, 2026

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

IBM advisory

Affected versions

PackageAffectedFixed in
Langflow OSS
Product
>= 1.0.0, <= 1.10.0No fix yet
Details and references

More IBM advisories

All IBM
Advisory
IBM Langflow OSS: insecure direct object reference
High8.1Jul 17
IBM Langflow OSS: hard-coded credentials
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IBM Langflow OSS: remote code execution
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IBM Langflow OSS: privilege escalation
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IBM Langflow OSS: improper input validation
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IBM Security Verify Access: information disclosure
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