CVE-2026-30653

Name: CVE-2026-30653
Creator: NVD / NIST
Published: 2026-03-24T15:16:34.137+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2026-30653 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue in Free5GC v.4.2.0 and before allows a remote attacker to cause a denial of service via the function HandleAuthenticationFailure of the component AMF. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

An issue in Free5GC v.4.2.0 and before allows a remote attacker to cause a denial of service via the function HandleAuthenticationFailure of the component AMF

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.39%

31.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Free5gc	Free5gc	<= 4.2.0

References

https://github.com/free5gc/free5gc/issues/826Exploit, Issue Tracking, Vendor Advisory

Timeline

Published: Mar 24, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2026-30653?

An issue in Free5GC v.4.2.0 and before allows a remote attacker to cause a denial of service via the function HandleAuthenticationFailure of the component AMF

How severe is CVE-2026-30653?

CVE-2026-30653 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2026-30653?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-30653?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST