Is CVE-2026-8123 actively exploited?

No active exploitation of CVE-2026-8123 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8123 be exploited remotely?

Yes. CVE-2026-8123 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8123?

CVE-2026-8123 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-8123

CWE-404Published: May 8, 2026· Updated: May 11, 2026

6.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.7th

Official Description

A vulnerability was determined in Open5GS up to 2.7.7. This impacts the function ogs_sbi_discovery_option_add_snssais in the library /lib/sbi/message.c of the component NSSF. This manipulation causes denial of service. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-8123 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.