Is CVE-2026-8223 actively exploited?

No active exploitation of CVE-2026-8223 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8223 be exploited remotely?

Yes. CVE-2026-8223 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8223?

CVE-2026-8223 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2026-8223

HIGH

CVE-2026-8223

CWE-404Published: May 10, 2026· Updated: May 13, 2026

7.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.6th

Official Description

A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcf_sess_sbi_discover_and_send of the component sm-policies Endpoint. Performing a manipulation results in denial of service. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-8223 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.