CVE-2025-51471

State: Published
Severity: 6.9 Medium
Published: Jul 22, 2025
Updated: Oct 17, 2025
Reserved: Jun 16, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.9 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N	CISA-ADP

Weaknesses

CWE-384 Session Fixation
CWE-345 Insufficient Verification of Data Authenticity

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/ollama/ollama
https://github.com/ollama/ollama/pull/10750
https://www.gecko.security/blog/cve-2025-51471
https://huntr.com/bounties/94eea285-fd65-4e01-a035-f533575ebdc2

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