CVE-2025-63389

CRITICAL

Ollama <v0.12.3 - Auth Bypass

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0019
EPSS Percentile 40.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-306
Status published
Products (2)
ollama/ollama < 0.12.3
ollama/ollama 0Go
Published Dec 18, 2025
Tracked Since Feb 18, 2026