gcdRadar
archive/Patch now/AIR-2026-1129
closedclosed 26 Jun 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-5757: Ollama model quantization engine information disclosure vulnerability

Ollama

An unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows attackers to read heap memory. The issue exposes sensitive data and can facilitate further system compromise.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
7.5
EPSS
0.01 · top 45% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
26 Jun 2026
last update
26 Jun 2026
CVE ids
CVE-2026-5757other records

Timeline · 1

  1. 26 Jun 2026CVE-2026-5757: Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and…

Sources · 1

Advisories and databases

  1. 2026-06-26
    CVE-2026-5757: Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-5757

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
information-disclosure
dates
happened 26 Jun 2026 · first reported 26 Jun 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-5757: Ollama model quantization engine information disclosure vulnerability

https://gcdradar.vercel.app/incidents/cve-2026-5757-ollama-model-quantization-engine-information-d · AIR-2026-1129 · closed 2026-06-26

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-06-26
- AI role: Attack on AI
- Products: Ollama
- CVE ids: CVE-2026-5757
- CVSS: 7.5

## Summary

An unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows attackers to read heap memory. The issue exposes sensitive data and can facilitate further system compromise.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-06-26: CVE-2026-5757: Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and… (https://nvd.nist.gov/vuln/detail/CVE-2026-5757)

## Sources

- 2026-06-26 NVD: CVE-2026-5757: Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and… https://nvd.nist.gov/vuln/detail/CVE-2026-5757

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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