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    CVE-2026-94447

    Previously, a user operating inside of a malicious Go project that defines a bogus golang.org/toolchain go.sum entry and operates a malicious GOMODPROXY the user chooses to use can bypass the intended checksum. We now ensure that golang.org/toolchain always goes to the network for the canonical checksum.

    Published:Oct 8, 2026
    Last Modified:Oct 15, 2026
    EPS:Oct 8, 2026
    EPSS Score:0.00126
    CVSS Score:7.8

    Affected Products

    Vendor
    Gotoolchain
    Product
    Cmd/go
    Vendor
    Redhat
    Product
    Hummingbird

    Exploits

    No exploit reference

    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