PT-2025-54499 · Go · Github.Com/Ollama/Ollama

Published 2025-12-18 · Updated 2025-12-18

OSV

CVSS v4.0

9.3

Critical

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

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.

Fix

Missing Authentication

Improper Access Control

Weakness Enumeration

CWE-306

CWE-284

Related Identifiers

GHSA-F6MR-38G8-39RG

Affected Products

Github.Com/Ollama/Ollama

References · 5

• https://osv.dev/vulnerability/GHSA-f6mr-38g8-39rg · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-63389 · Security Note
• https://github.com/ollama/ollama · Note
• https://github.com/ollama/ollama/issues · Note
• https://gist.github.com/Cristliu/48dae561696374744d9fced07a544ecd · Note