CVE-2026-2522: Open5GS MME esm-build.c memory corruption

Published Feb 15, 2026
·
Updated

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.

Affected Software

2 affected components
open5gs open5gs<=2.7.6
open5gs open5gs<=2.7.6

Event History

Feb 15, 2026
CVE Published
via MITRE·11:32 PM
Data Sourced
via MITRE·11:32 PM
DescriptionSeverityWeakness
Feb 16, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
May 15, 58112
Event
via FIRST·05:21 PM

Frequently Asked Questions

1

What is the severity of CVE-2026-2522?

CVE-2026-2522 has a high severity level due to potential memory corruption leading to remote code execution.

2

How do I fix CVE-2026-2522?

To mitigate CVE-2026-2522, you should update Open5GS to version 2.7.7 or later, where the vulnerability has been addressed.

3

What software is affected by CVE-2026-2522?

CVE-2026-2522 affects Open5GS versions up to and including 2.7.6.

4

Can CVE-2026-2522 be exploited remotely?

Yes, CVE-2026-2522 can be exploited remotely, making it critical to address promptly.

5

What component is impacted by CVE-2026-2522?

CVE-2026-2522 impacts the MME component within Open5GS, specifically the esm-build.c file.

Contact

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