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    CVE-2026-103441

    Deserialization of untrusted data vulnerability in The Wikimedia Foundation MediaWiki Wikibase extension allows Leverage Executable Code in Non-Executable Files. This issue affects MediaWiki Wikibase extension: 1.46, 1.45, and 1.43.

    Published:Sep 30, 2026
    Last Modified:Oct 1, 2026
    EPS:Sep 30, 2026
    EPSS Score:0.00352
    CVSS Score:7.2

    Affected Products

    Vendor
    Wikimedia
    Product
    Mediawiki-wikibase Extension

    Exploits

    https://github.com/BomboBombone/CVE-2026-103441

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    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