← Back to CVEs

CVE-2026-4531

MEDIUM

5.3

Description

A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to denial of service. The attack may be performed from remote. This patch is called 52e9386401ce56ea773c5aa587d4cdf7d53da799. It is best practice to apply a patch to resolve this issue.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/22/2026

Last Modified3/23/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-404

References

https://github.com/free5gc/amf/commit/52e9386401ce56ea773c5aa587d4cdf7d53da799(cna@vuldb.com)

https://github.com/free5gc/amf/pull/198(cna@vuldb.com)

https://github.com/free5gc/free5gc/(cna@vuldb.com)

https://github.com/free5gc/free5gc/issues/792(cna@vuldb.com)

https://vuldb.com/?ctiid.352319(cna@vuldb.com)

https://vuldb.com/?id.352319(cna@vuldb.com)

https://vuldb.com/?submit.774073(cna@vuldb.com)

https://github.com/free5gc/free5gc/issues/792(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.