Unrated severityNVD Advisory· Published Aug 5, 2026· Updated Aug 5, 2026
Langflow OSS is affected by server-side request forgery in provider validation and API request functionality
CVE-2026-9081
Description
IBM Langflow OSS 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 contains a Server-Side Request Forgery (SSRF) vulnerability in the validate_model_provider_key() function for the Ollama provider. The function accepts a user-supplied OLLAMA_BASE_URL parameter and passes it directly to requests.get() without validation, scheme/host allowlisting, or filtering of private IP ranges (loopback, RFC1918, link-local addresses).
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Affected products
1- Range: 1.0.0 - 1.10.3
Patches
Vulnerability mechanics
References
1- www.ibm.com/support/pages/node/7282650mitrevendor-advisorypatch
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