Denial of Service Vulnerability in Free5GC by Free5GC
CVE-2026-30050

7.5HIGH

Key Information:

Vendor

Free5GC

Status
Free5GC
Vendor
CVE Published:
27 August 2026

What is CVE-2026-30050?

A vulnerability in the ModifyAMFEventSubscriptionProcedure function of Free5GC version 4.1.0 enables attackers to execute a Denial of Service attack. By sending a specially crafted PATCH request, malicious users can disrupt service availability, affecting system performance and reliability. To protect against this issue, it is crucial to apply patches and follow security recommendations.

References

https://github.com/free5gc/free5gc/issues/776

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

.