Denial of Service Vulnerability in Free5GC by Free5GC
CVE-2026-30653

7.5HIGH

Key Information:

Vendor

Free5GC

Status
Free5GC
Vendor
CVE Published:
24 March 2026

What is CVE-2026-30653?

Free5GC versions up to 4.2.0 are susceptible to a denial of service attack. A remote attacker can exploit the HandleAuthenticationFailure function within the AMF component to disrupt the service, potentially rendering the system inoperable. This vulnerability highlights the need for timely updates and robust security practices.

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.