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    CVE-2026-5661

    A vulnerability was identified in Free5GC 4.2.0. This affects an unknown function of the component NGSetupRequest Handler. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit is publicly available and might be used.

    Published:Apr 6, 2026
    Last Modified:Apr 7, 2026
    EPS:Apr 6, 2026
    EPSS Score:0.00057
    CVSS Score:5.3

    Affected Products

    Vendor
    Free5gc
    Product
    Free5gc

    Exploits

    No exploit reference

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    CVE-2026-30050 (CVSS 7.5) — An issue in the ModifyAMFEventSubscriptionProcedure function (processor/event_exposure.go) of free5gc v4.1.0 a…
    CVE-2026-30051 (CVSS 7.5) — An issue in the CreateUEContextProcedure function (/v1/ue-contexts/{supi}) of free5gc v4.1.0 allows attackers …
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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