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    CVE-2026-1683

    A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch.

    Published:Jan 30, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 30, 2026
    EPSS Score:0.00042
    CVSS Score:5.3

    Affected Products

    Vendor
    Free5gc
    Product
    Free5gc
    Vendor
    Free5gc
    Product
    Smf

    Exploits

    https://github.com/free5gc/free5gc/issues/804https://github.com/free5gc/free5gc/issues/804#issue-3816086696

    Related CVEs

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    CVE-2026-30069 (CVSS 7.5) — A NULL pointer dereference in the UDMC registration handler component of free5gc v4.0.1 allows attackers to ca…
    CVE-2026-30070 (CVSS 7.5) — An issue in the HandleGetSharedData function of free5gc v4.0.1 allows attackers to cause a Denial of Service (…
    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 …
    CVE-2026-30056 (CVSS 7.5) — A NULL pointer dereference in the AMF NGAP Dispatcher component of free5gc v4.0.1 allows attackers to cause a …
    CVE-2026-30067 (CVSS 7.5) — An issue in the complexQueryFilterSubprocess function in the NRF Discovery service of free5gc v4.0.1 allows at…
    CVE-2026-30062 (CVSS 7.5) — An issue in the NGAP handler of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a craft…

    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