CVE-2025-63389

[CVE catalog]

A flaw was found in Ollama. This critical authentication bypass vulnerability allows remote attackers to perform unauthorized model management operations. The platform exposes multiple API endpoints without requiring authentication, enabling attackers to manipulate models without proper authorization. Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Severity

Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

Dec 18, 2025, 12:00:00 AM UTC

Updated

Oct 13, 2026, 11:10:00 AM UTC

Source

[NVD] · [CVE record]

EPSS

0.71% · Oct 27, 2026

{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "ollama",
      "ranges": [
        {
          "fixed": "",
          "introduced": "",
          "last_affected": "0.12.3",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2025-63389"
    },
    {
      "name": "govulncheck-vulndb",
      "distro": "opensuse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0.20260114T191543-150000.1.137.1"
            }
          ]
        }
      ],
      "release": "leap 15.6",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "0.0.20260114T191543-150000.1.137.1",
      "provider_record_id": "SUSE-SU-2026:0142-1"
    }
  ]
}