CVE-2026-9081: Langflow

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

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).

Affected products

• Langflow Langflow: from 1.0.0, before 1.11.0 (fixed in 1.11.0)

Published 2026-08-05. Last modified 2026-08-06.