CVE-2026-8249: OPEN5GS

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. 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.

Affected products

• OPEN5GS OPEN5GS: up to and including 2.7.7

Published 2026-05-10. Last modified 2026-07-24.