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CVE-2025-51471

Date: July 21, 2025

Cross-Domain Token Exposure in server.auth.getAuthorizationToken in Ollama 0.6.7 allows remote attackers to steal authentication tokens and bypass access controls via a malicious realm value in a WWW-Authenticate header returned by the /api/pull endpoint.

Severity Score

Related Resources (7)

https://github.com/ollama/ollama/pull/10750
https://github.com/advisories/GHSA-x9hg-5q6g-q3jr
https://github.com/ollama/ollama
https://www.gecko.security/blog/cve-2025-51471
https://nvd.nist.gov/vuln/detail/CVE-2025-51471
https://huntr.com/bounties/94eea285-fd65-4e01-a035-f533575ebdc2
https://www.mend.io/vulnerability-database/CVE-2025-51471

Severity Score

Weakness Type (CWE)

Insufficient Verification of Data Authenticity

CWE-345

Session Fixation

CWE-384

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): NONE

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