Cross-Domain Token Exposure in Ollama by Ollama
CVE-2025-51471

6.9MEDIUM

Key Information:

Vendor: Ollama
Status: Ollama
Vendor: CVE Published:; 22 July 2025

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👾 Exploit Exists🟡 Public PoC📰 News Worthy

What is CVE-2025-51471?

A vulnerability in Ollama version 0.6.7 allows remote attackers to exploit the server.auth.getAuthorizationToken mechanism, enabling them to steal sensitive authentication tokens. This can occur through a crafted malicious realm value in the WWW-Authenticate header returned by the /api/pull endpoint, facilitating unauthorized access and evasion of access controls.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-51471-POC
Created by ajtazer

News Articles

BleepingComputer

CVE-2025-51471

Security firms debate CVE credit in overlapping vulnerability reports

FuzzingLabs has accused the YCombinator-backed startup, Gecko Security, of replicating its vulnerability disclosures. Gecko allegedly filed for 2 CVEs based on FuzzingLabs' reports without crediting them. Gecko denies any wrongdoing, calling the allegations a misunderstanding over disclosure process...