Is CVE-2026-8728 actively exploited?

No active exploitation of CVE-2026-8728 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8728 be exploited remotely?

Yes. CVE-2026-8728 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8728?

CVE-2026-8728 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-8728

CWE-404Published: May 17, 2026· Updated: May 18, 2026

6.5

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:17.7th

Official Description

A security vulnerability has been detected in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_discovery_option_parse_plmn_list in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument target-plmn-list leads to denial of service. The attack can be executed remotely. The exploit has been disclosed publicly 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-2026-8728 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.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.