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    CVE-2026-1976

    A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. It is suggested to install a patch to address this issue.

    Published:Feb 6, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 6, 2026
    EPSS Score:0.00119
    CVSS Score:5.3

    Affected Products

    Vendor
    Free5gc
    Product
    Free5gc

    Exploits

    https://github.com/free5gc/free5gc/issues/817https://github.com/free5gc/free5gc/issues/817#issue-3832188092https://vuldb.com/?submit.743239

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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