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    CVE-2026-28407

    malcontent is software for discovering supply-chain compromises through context, differential analysis, and YARA. Prior to version 1.21.0, malcontent would remove nested archives which failed to extract which could potentially leave malicious content. A better approach is to preserve these archives so that malcontent can attempt a best-effort scan of the archive bytes. Version 1.21.0 fixes the issue.

    Published:Feb 27, 2026
    Last Modified:Apr 16, 2026
    EPS:Feb 27, 2026
    EPSS Score:0.00034
    CVSS Score:5.3

    Affected Products

    Vendor
    Chainguard
    Product
    Malcontent
    Vendor
    Chainguard-dev
    Product
    Malcontent

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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