Unauthenticated Remote Information Disclosure in Ollama's Model Quantization Engine
CVE-2026-5757

7.5HIGH

Key Information:

Vendor

Ollama Ai

Status
Ollama
Vendor
CVE Published:
26 June 2026

What is CVE-2026-5757?

An unauthenticated remote information disclosure vulnerability exists in Ollama's model quantization engine, enabling unauthorized attackers to access and exfiltrate sensitive data from the server's heap memory. This exposure can lead to further compromises and provide attackers with stealthy persistence options within the affected systems.

Affected Version(s)

Ollama v0.13.5

References

https://kb.cert.org/vuls/id/518910
https://ollama.com

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.