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CVE-2026-5757— There exists an unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine

Quick assessment

Affected
Ollama AI Ollama
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Ollama AI Ollama是Ollama AI的一款本地运行大语言模型的框架。 Ollama AI Ollama v0.13.5版本存在安全漏洞，该漏洞源于模型量化引擎问题，可能导致未经身份验证的攻击者远程读取和泄露服务器堆内存，敏感数据泄露、进一步破解和隐蔽持久化。

AI Predicted 9.8 Difficulty: Moderate EPSS 0.73% · P53

Affected Version Matrix 1

VendorProduct Version RangeStatus
Ollama AI Ollama v0.13.5 affected
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I. Basic Information for CVE-2026-5757

Vulnerability Information
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Vulnerability Title
There exists an unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and exfiltrate the server's heap memory, potentially leading to sensitive data exposure, further compromise, and stealthy persistence.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Ollama AI Ollama 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ollama AI Ollama是Ollama AI的一款本地运行大语言模型的框架。 Ollama AI Ollama v0.13.5版本存在安全漏洞，该漏洞源于模型量化引擎问题，可能导致未经身份验证的攻击者远程读取和泄露服务器堆内存，敏感数据泄露、进一步破解和隐蔽持久化。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Ollama AI Ollama v0.13.5 -

II. Public POCs for CVE-2026-5757

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III. Intelligence Information for CVE-2026-5757

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Vendor Advisories for CVE-2026-5757 (1)

Vendor Pages for CVE-2026-5757 (1)

IV. Related Vulnerabilities

Same product: Ollama

V. Comments for CVE-2026-5757

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