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CVE-2025-63389VulnerabilityPublished Updated

CVE-2025-63389: ollama · n/a

Affects ollamaSource CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 53% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
GitHubollama/ollamapkg:github/ollama/ollamaOther threatsAffected
  • <=0.12.3
Fixed in–

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AI-suggested

Immediate mitigation steps include restricting access to Ollama API endpoints by implementing network-level controls such as firewalls or VPNs to limit exposure to trusted users and systems only. Organizations should monitor network traffic and API logs for unusual or unauthorized access attempts. Since no official patches are currently available, applying virtual patches via Web Application Firewalls (WAFs) or API gateways to enforce authentication and access control can reduce risk. It is critical to follow Ollama’s official channels for patch releases and apply updates promptly once available. Additionally, organizations should conduct thorough audits of AI model integrity and access permissions to detect any unauthorized changes. Implementing strong identity and access management (IAM) policies around AI platforms and segregating AI infrastructure from general IT networks can further reduce attack surface. Finally, organizations should prepare incident response plans specific to AI platform compromises to quickly contain and remediate potential breaches.

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.

References

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