Is CVE-2026-7518 actively exploited?

No active exploitation of CVE-2026-7518 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7518 be exploited remotely?

Yes. CVE-2026-7518 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7518?

CVE-2026-7518 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-7518

CWE-404Published: May 1, 2026· Updated: May 1, 2026

4.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.5th

Official Description

A flaw has been found in Open5GS up to 2.7.7. This issue affects the function amf_namf_callback_handle_sdm_data_change_notify of the file /namf-callback/v1/{id}/sdmsubscription-notify of the component AMF SBI Endpoint. This manipulation of the argument changeItem.newValue causes denial of service. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-7518 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.