CVE-2026-8729: OPEN5GS

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

A vulnerability was detected in Open5GS up to 2.7.7. This affects an unknown function in the library /lib/sbi/message.c of the component NRF. Performing a manipulation of the argument service-names/snssais results in denial of service. The attack is possible to be carried out remotely. The exploit is now public 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 2026-05-17. Last modified 2026-06-17.