Denial of Service Vulnerability in free5gc by free5gc
CVE-2026-30058

7.5HIGH

Key Information:

Vendor

free5gc

Status
free5gc
Vendor
CVE Published:
27 August 2026

What is CVE-2026-30058?

This vulnerability allows attackers to exploit the HTTPModifySubscription handler in free5gc v4.0.1 through crafted input. By triggering improper input validation, attackers can initiate Denial of Service (DoS) conditions, affecting the availability of the service and impacting users and systems relying on free5gc functionalities.

References

https://github.com/free5gc/free5gc/issues/754

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

.