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IBM Warns of 25 Langflow OSS Flaws Affecting Versions 1.0.0 Through 1.12.2

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IBM has issued a security bulletin describing 25 vulnerabilities in Langflow OSS versions 1.0.0 through 1.12.2, with 2 rated critical, 19 high and 4 medium. No exploitation in the wild or public proof-of-concept has been confirmed, so the response is preventive rather than a breach investigation. Two anonymous, no-login flaws allow code execution, while many others require an account, and some involve path traversal, credential leaks, or server crashes from oversized ZIP archives. IBM recommends upgrading to Langflow 1.12.3 immediately, keeping the platform off the public internet, and restricting who can create or edit flows until patching is complete. Organizations should also rotate any API keys and credentials stored in the platform after upgrading.

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