Denial of Service Vulnerability in free5gc NAS Decoder
CVE-2026-30059

7.5HIGH

Key Information:

Vendor

free5gc

Status
free5gc
Vendor
CVE Published:
27 August 2026

What is CVE-2026-30059?

A vulnerability in the NAS decoder component of free5gc version 4.0.1 allows attackers to exploit the system by sending a specially crafted Registration Request message, leading to a Denial of Service. This can disrupt service availability, making it crucial for users to assess their systems immediately.

References

https://github.com/free5gc/free5gc/issues/813

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

.