Ollama before 0.1.29 has a DNS rebinding vulnerability that can inadvertently allow remote access to the full API, thereby letting an unauthorized user chat with a large language model, delete a model, or cause a denial of service (resource exhaustion).

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-28224
• https://github.com/ollama/ollama/releases
• https://research.nccgroup.com/2024/04/08/technical-advisory-ollama-dns-rebinding-attack-cve-2024-28224
• https://www.nccgroup.trust/us/our-research/?research=Technical+advisories
• https://pkg.go.dev/vuln/GO-2024-2699