CVE-2025-51471

EUVD-2025-22351
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
CISA-ADPADP
6.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 8%
Affected Products (NVD)
VendorProductVersion
ollamaollama
0.6.7
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/ollama/ollama
https://github.com/ollama/ollama/pull/10750
https://huntr.com/bounties/94eea285-fd65-4e01-a035-f533575ebdc2
https://www.gecko.security/blog/cve-2025-51471