CVE-2025-63389: Ollama Platform has missing authentication enabling attackers to perform model management operations

December 18, 2025

A critical authentication bypass vulnerability exists in Ollama platform’s API endpoints in versions prior to and including v0.12.3. The platform exposes multiple API endpoints without requiring authentication, enabling remote attackers to perform unauthorized model management operations.

References

gist.github.com/Cristliu/48dae561696374744d9fced07a544ecd
github.com/advisories/GHSA-f6mr-38g8-39rg
github.com/ollama/ollama
github.com/ollama/ollama/issues
nvd.nist.gov/vuln/detail/CVE-2025-63389

Code Behaviors & Features

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