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    CVE-2026-40471

    hackage-server lacked Cross-Site Request Forgery (CSRF) protection across its endpoints. Scripts on foreign sites could trigger requests to hackage server, possibly abusing latent credentials to upload packages or perform other administrative actions. Some unauthenticated actions could also be abused (e.g. creating new user accounts).

    Published:Apr 23, 2026
    Last Modified:Apr 28, 2026
    EPS:Apr 23, 2026
    EPSS Score:0.00017
    CVSS Score:9.6

    Affected Products

    Vendor
    Hackage-server
    Product
    Hackage-server

    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