PT-2025-52239 · Ollama · Ollama

Cristliu · Published 2025-12-18 · Updated 2026-06-04 · CVE-2025-63389

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Ollama versions prior to 0.12.3

Description A critical issue allows attackers to bypass authentication in the Ollama platform. The platform exposes API endpoints without authentication requirements, allowing remote attackers to perform unauthorized model management operations.

Recommendations Update to a version later than 0.12.3.

Fix

Improper Access Control

Missing Authentication

Weakness Enumeration

CWE-284

CWE-306

Related Identifiers

CVE-2025-63389

GHSA-F6MR-38G8-39RG

GO-2025-4251

SUSE-SU-2026:0142-1

Affected Products

Ollama

References · 48

• https://osv.dev/vulnerability/SUSE-SU-2026:0142-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-63389 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-f6mr-38g8-39rg · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-63389 · Security Note
• https://osv.dev/vulnerability/GO-2025-4251 · Vendor Advisory
• https://github.com/ollama/ollama · Note
• https://github.com/ollama/ollama/issues · Note
• https://suse.com/security/cve/CVE-2024-6717 · Note
• https://suse.com/security/cve/CVE-2025-15107 · Note
• https://twitter.com/CVEnew/status/2002487745969803298 · Twitter Post
• https://github.com/advisories/GHSA-f6mr-38g8-39rg · Note
• https://suse.com/security/cve/CVE-2026-22687 · Note
• https://suse.com/security/cve/CVE-2026-21885 · Note
• https://suse.com/security/cve/CVE-2017-18897 · Note
• https://suse.com/security/cve/CVE-2017-18898 · Note