CVE-2026-7586 Open5GS AMF nudm-handler.c ogs_id_get_value denial of service
Remote attackers can cause a denial of service in Open5GS AMF via the ogs_id_get_value function, requiring immediate attention from 5G network operators.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7586?
CVE-2026-7586 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 1 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in Open5GS up to 2.7.7. Affected is the function ogs_id_get_value of the file /src/amf/nudm-handler.c of the component AMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-404
Which versions are affected by CVE-2026-7586?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2026-7586?
No fix has been published for CVE-2026-7586 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-7586 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7586 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-3hjc-876w-6wxx.