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CVE-2026-30653 - Vulnerability Analysis

HighCVSS: 7.5

Last Updated: March 24, 2026

Free5GC - Denial of Service

Published: March 24, 2026Updated: March 24, 2026PoC AvailableRemote Exploitable

Overview

Free5GC <= 4.2.0 contains a denial of service caused by improper handling in HandleAuthenticationFailure function of AMF component, letting remote attackers cause service disruption, exploit requires network access.

Severity & Score

Severity: High

CVSS Score: 7.5

Impact

Remote attackers can cause denial of service, disrupting availability of the affected system.

Mitigation

Update to the latest version beyond 4.2.0.

References

https://github.com/free5gc/free5gc/issues/826

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-30653
Severity: High
CVSS Score: 7.5
Type: undefined
Status: modified

CWE

NVD-CWE-noinfo
CWE-400

CVSS Metrics

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