What’s Vulnerable › Vulnerabilities

CVE-2025-63389

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-18 · updated 2026-10-13
• Weakness: CWE-306

Description

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.

Affected products

• Ollama: through 0.12.3

References

• https://gist.github.com/Cristliu/48dae561696374744d9fced07a544ecd
• https://gist.github.com/Cristliu/b6f4d070fb27932f581be1aadc0923e7
• https://github.com/ollama/ollama/issues

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