CVE-2026-2522 Open5GS MME esm-build.c memory corruption
Remote attackers can exploit memory corruption in Open5GS MME to potentially execute code or cause denial of service.
- 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-2026-2522?
CVE-2026-2522 is a medium-severity memory corruption vulnerability in Open5gs Open5gs, published on 15 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is an unknown function of the file /src/mme/esm-build.c of the component MME. The manipulation leads to memory corruption. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-119
Which versions are affected by CVE-2026-2522?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2026-2522?
No fix has been published for CVE-2026-2522 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-2522 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2522 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-7vmq-r9p9-95jc.