Out-of-bounds Read in Ollama
CVE-2026-5757
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 s…
Vulnerability class: Buffer Overflow
EPSS: 0.006 (42.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- cret@cert.org (VDB Entry, Third Party Advisory)
- cret@cert.org (Product)
- af854a3a-2127-422b-91ae-364da2661108 (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-5757?
- CVE-2026-5757 is a high-severity vulnerability in Ollama, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-06-26.
- How severe is CVE-2026-5757?
- High severity. CVSS v3 base score is 7.5 out of 10.