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    CVE-2026-47889

    A WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19

    Published:Aug 27, 2026
    Last Modified:Aug 27, 2026
    EPS:Aug 27, 2026
    EPSS Score:0.00144
    CVSS Score:7.5

    Affected Products

    Vendor
    Spring
    Product
    Spring Framework

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-62 Cross Site Request Forgery

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    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