Authentication Bypass in Ollama Platform's API Endpoints
CVE-2025-63389

9.8CRITICAL

Key Information:

Vendor

Ollama

Status
Ollama Platform
Vendor
CVE Published:
18 December 2025

What is CVE-2025-63389?

The Ollama platform's API endpoints have a serious flaw where multiple endpoints can be accessed without proper authentication mechanisms. This vulnerability allows remote attackers to interact with the system and perform unauthorized operations related to model management, potentially leading to misuse of the platform. Users of versions prior to v0.12.3 should be vigilant and upgrade to secure their systems.

References

https://github.com/ollama/ollama/issues
https://gist.github.com/Cristliu/48dae561696374744d9fced0...
https://gist.github.com/Cristliu/b6f4d070fb27932f581be1aa...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.