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    CVE-2026-8222

    A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcf_nbsf_management_handle_register of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

    Published:May 10, 2026
    Last Modified:May 12, 2026
    EPS:May 10, 2026
    EPSS Score:0.00042
    CVSS Score:5.3

    Affected Products

    Vendor
    Open5gs
    Product
    Open5gs

    Exploits

    https://github.com/open5gs/open5gs/issues/4437

    Related CVEs

    CVE-2026-86212 (CVSS 2.1) — A vulnerability has been found in Open5GS 2.7.7/2.8.0. This vulnerability affects unknown code of the componen…
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    CVE-2026-82590 (CVSS 5.3) — A weakness has been identified in Open5GS up to 2.7.7. The affected element is the function smf_nudm_sdm_handl…
    CVE-2026-82589 (CVSS 2.1) — A security flaw has been discovered in Open5GS up to 2.7.7. Impacted is the function amf_namf_comm_handle_n1_n…
    CVE-2026-82588 (CVSS 5.3) — A vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file …
    CVE-2026-82587 (CVSS 2.1) — A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function amf_namf_comm_d…
    CVE-2026-30046 (CVSS 7.5) — A reachable assertion vulnerability in the NUDM-UECM interface of Open5GS v2.7.6 allows attackers to cause a D…
    CVE-2026-30047 (CVSS 7.5) — A reachable assertion vulnerability in the /nsmf-pdusession/v1/sm-contexts component of Open5GS v2.7.6 allows …
    CVE-2026-30045 (CVSS 7.5) — An integer overflow in the /nnrf-disc/v1/nf-instances component of open5gs v2.7.6 allows attackers to cause a …
    CVE-2026-37198 (CVSS 7.5) — An integer overflow in the SMF component of Open5GS v2.7.6 allows attackers to cause a Denial of Service (DoS)…

    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