CVE-2025-63389

EPSS 0.12%

Ollama Platform has missing authentication enabling attackers to perform model management operations

Published: 12/18/2025Modified: 2/4/2026

Also known as:GHSA-f6mr-38g8-39rgCGA-f4xj-2x79-qrc6CGA-vcqc-7mhr-6445GO-2025-4251

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 packages (2)

Go/github.com/ollama/ollamafrom 0, <= 0.13.5
Go/github.com/ollama/ollamafrom 0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 4.0	—	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References (5)

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