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6.9
MEDIUM CVSS 3.1
CVE-2025-51471
Ollama Cross-Domain Token Exposure Information Disclosure
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.

INFO

Published Date :

July 22, 2025, 7:15 p.m.

Last Modified :

Oct. 17, 2025, 6:15 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-51471 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ollama ollama
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update Ollama to a version that addresses cross-domain token exposure vulnerabilities.
  • Update Ollama to the latest stable version.
  • Review and restrict access to the /api/pull endpoint.
  • Validate the 'realm' header for authentication tokens.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-51471.

URL Resource
https://github.com/ollama/ollama Product
https://github.com/ollama/ollama/pull/10750 Exploit Issue Tracking
https://huntr.com/bounties/94eea285-fd65-4e01-a035-f533575ebdc2
https://www.gecko.security/blog/cve-2025-51471 Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-51471 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-51471 weaknesses.

CAPEC-111: JSON Hijacking (aka JavaScript Hijacking) JSON Hijacking (aka JavaScript Hijacking) CAPEC-141: Cache Poisoning Cache Poisoning CAPEC-142: DNS Cache Poisoning DNS Cache Poisoning CAPEC-148: Content Spoofing Content Spoofing CAPEC-218: Spoofing of UDDI/ebXML Messages Spoofing of UDDI/ebXML Messages CAPEC-384: Application API Message Manipulation via Man-in-the-Middle Application API Message Manipulation via Man-in-the-Middle CAPEC-385: Transaction or Event Tampering via Application API Manipulation Transaction or Event Tampering via Application API Manipulation CAPEC-386: Application API Navigation Remapping Application API Navigation Remapping CAPEC-387: Navigation Remapping To Propagate Malicious Content Navigation Remapping To Propagate Malicious Content CAPEC-388: Application API Button Hijacking Application API Button Hijacking CAPEC-665: Exploitation of Thunderbolt Protection Flaws Exploitation of Thunderbolt Protection Flaws CAPEC-701: Browser in the Middle (BiTM) Browser in the Middle (BiTM) CAPEC-21: Exploitation of Trusted Identifiers Exploitation of Trusted Identifiers CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies Accessing/Intercepting/Modifying HTTP Cookies CAPEC-39: Manipulating Opaque Client-based Data Tokens Manipulating Opaque Client-based Data Tokens CAPEC-59: Session Credential Falsification through Prediction Session Credential Falsification through Prediction CAPEC-60: Reusing Session IDs (aka Session Replay) Reusing Session IDs (aka Session Replay) CAPEC-61: Session Fixation Session Fixation CAPEC-196: Session Credential Falsification through Forging Session Credential Falsification through Forging

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-51471 vulnerability anywhere in the article.

  • BleepingComputer
Security firms debate CVE credit in overlapping vulnerability reports

Cybersecurity company FuzzingLabs has accused the Y Combinator-backed startup, Gecko Security, of replicating its vulnerability disclosures and backdating blog posts. According to the company, Gecko f ... Read more

Published Date: Oct 14, 2025 (3 weeks ago)
  • BleepingComputer
Security firms dispute credit for overlapping CVE reports

Cybersecurity company FuzzingLabs has accused the Y Combinator-backed startup, Gecko Security, of replicating its vulnerability disclosures and backdating blog posts. According to the company, Gecko f ... Read more

Published Date: Oct 14, 2025 (3 weeks ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-51471 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Oct. 17, 2025

    Action Type Old Value New Value
    Added Reference https://huntr.com/bounties/94eea285-fd65-4e01-a035-f533575ebdc2
  • Initial Analysis by [email protected]

    Oct. 09, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:ollama:ollama:0.6.7:-:*:*:*:*:*:*
    Added Reference Type MITRE: https://github.com/ollama/ollama Types: Product
    Added Reference Type MITRE: https://github.com/ollama/ollama/pull/10750 Types: Exploit, Issue Tracking
    Added Reference Type MITRE: https://www.gecko.security/blog/cve-2025-51471 Types: Exploit, Third Party Advisory
  • New CVE Received by [email protected]

    Jul. 22, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://github.com/ollama/ollama
    Added Reference https://github.com/ollama/ollama/pull/10750
    Added Reference https://www.gecko.security/blog/cve-2025-51471
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 22, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
    Added CWE CWE-345
    Added CWE CWE-384
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.9
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact