CVE-2026-2524 Open5GS MME mme_s11_handle_create_session_response denial of service
Remote attackers can cause a denial of service in Open5GS MME via the create session response handler, affecting 5G core network availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2524?
CVE-2026-2524 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 16 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw has been found in Open5GS 2.7.6. The impacted element is the function mme_s11_handle_create_session_response of the component MME. This manipulation causes denial of service. The attack can be initiated remotely. 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.
Weakness: CWE-404
Which versions are affected by CVE-2026-2524?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2026-2524?
No fix has been published for CVE-2026-2524 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-2026-2524 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2524 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-6995-8cjx-mq6q.