CVE-2026-5360: Free5GC aper type confusion

Published Apr 2, 2026

Updated

A vulnerability has been found in Free5GC 4.2.0. The affected element is an unknown function of the component aper. Such manipulation leads to type confusion. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is described as difficult. The exploit has been disclosed to the public and may be used. The name of the patch is 26205eb01705754b7b902ad6c4b613c96c881e29. It is best practice to apply a patch to resolve this issue.

Affected Software

2 affected components

free5gc Free5gc=4.2.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade Free5GC to a version that resolves this vulnerability.
Fixed in 4.2.0Patch 26205eb01705754b7b902ad6c4b613c96c881e29

Event History

Apr 2, 2026

CVE Published

via MITRE·05:00 PM

Data Sourced

via MITRE·05:00 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·05:16 PM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2026-5360?

The severity of CVE-2026-5360 is high due to the potential for remote exploitation and the complexity involved in executing the attack.

How do I fix CVE-2026-5360?

To fix CVE-2026-5360, you should upgrade to a patched version of Free5GC that addresses the type confusion vulnerability.

Who is affected by CVE-2026-5360?

CVE-2026-5360 affects users of Free5GC version 4.2.0, specifically those utilizing the aper component.

What are the potential consequences of CVE-2026-5360?

Exploitation of CVE-2026-5360 can lead to critical errors, system instability, or unauthorized access to sensitive data.

Can CVE-2026-5360 be exploited remotely?

Yes, CVE-2026-5360 can be exploited remotely, making it particularly concerning for network security.