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    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 stealthy persistence.

    Published:Jun 26, 2026
    Last Modified:Jun 29, 2026
    EPS:Jun 26, 2026
    EPSS Score:0.00462
    CVSS Score:7.5

    Affected Products

    Vendor
    Ollama
    Product
    Ollama

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-65315 (CVSS 8.7) — Ollama (HEAD f0078ae) contains an uncontrolled memory allocation vulnerability in the GGUF metadata parser tha…
    CVE-2026-15685 (CVSS 7.5) — Ollama downloadBlob Improper Validation of Array Index Denial-of-Service Vulnerability. This vulnerability all…
    CVE-2026-7482 (CVSS 8.8) — Ollama before 0.17.1 contains a heap out-of-bounds read vulnerability in the GGUF model loader. The /api/creat…
    CVE-2026-42249 (CVSS 7.7) — Ollama for Windows contains a Remote Code Execution vulnerability in its update mechanism due to improper hand…
    CVE-2026-42248 (CVSS 7.7) — Ollama for Windows does not perform integrity or authenticity verification of downloaded update executables. U…
    CVE-2026-7020 (CVSS 2.9) — A security flaw has been discovered in Ollama up to 0.20.2. This affects the function digestToPath of the file…
    CVE-2026-5530 (CVSS 5.3) — A flaw has been found in Ollama up to 0.18.1. This issue affects some unknown processing of the file server/do…
    CVE-2025-66960 (CVSS 7.5) — An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the fs/ggml/gguf.go, fu…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High