Denial of Service Vulnerability in Kamailio by Kamailio Solutions
CVE-2026-52023

7.5HIGH

Key Information:

Vendor

Kamailio Solutions

Status
Kamailio
Vendor
CVE Published:
1 September 2026

What is CVE-2026-52023?

A vulnerability in Kamailio versions up to 6.1.1 allows remote attackers to exploit the ims_registrar_pcscf module, specifically through the pcscf_save_pending function. This exploitation can lead to denial of service by manipulating security-agreement parsing, which adversely affects the stability and performance of the service. Addressing this issue is critical to maintaining system integrity and protecting against potential service disruptions.

References

https://github.com/kamailio/kamailio/issues/4671
https://github.com/kamailio/kamailio/commit/722c06b3efc53...

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

.