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    CVE-2025-15539

    A vulnerability was determined in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_downlink_data_notification_ack of the file src/sgwc/s11-handler.c of the component sgwc. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: b4707272c1caf6a7d4dca905694ea55557a0545f. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.

    Published:Jan 18, 2026
    Last Modified:Feb 23, 2026
    EPS:Jan 18, 2026
    EPSS Score:0.00038
    CVSS Score:5.3

    Affected Products

    Vendor
    Open5gs
    Product
    Open5gs

    Exploits

    https://github.com/open5gs/open5gs/issues/4230https://github.com/open5gs/open5gs/issues/4230#issue-3774173079

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    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 …
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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