There exists an unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-5757
StatePUBLISHED
Assignercertcc
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-26 16:16:36 UTC
Updated2026-06-29 13:49:03 UTC
DescriptionUnauthenticated 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.005510000 probability, percentile 0.418650000 (date 2026-06-30)

Problem Types: CWE-125 | CWE-125 Out-of-bounds Read | CWE-416 Use After Free | CWE-306 Missing Authentication for Critical Function

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ollama Ollama All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Ollama AI Ollama affected v0.13.5 Not specified

References

ReferenceSourceLinkTags
kb.cert.org/vuls/id/518910 [email protected] kb.cert.org Third Party Advisory, VDB Entry
ollama.com [email protected] ollama.com Product
www.kb.cert.org/vuls/id/518910 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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