Vulnerability · Published Jun 26, 2026 · Assigned by certcc
CVE-2026-5757There exists an unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine
High 7.5
In plain English
A high-severity security flaw in Ollama from Ollama AI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 45.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.