Ollama before 0.1.29 has a DNS rebinding vulnerability that can inadvertently allow remote access to the full API, thereby letting an unauthorized user chat with a large language model, delete a model, or cause a denial of service (resource exhaustion).
https://www.nccgroup.trust/us/our-research/?research=Technical+advisories
Published: 2024-04-08
Updated: 2025-05-13
Named Vulnerability: Ollama DNS rebinding vulnerability
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 6.6
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Severity: Medium
EPSS: 0.00097