CVE-2026-52023

HIGH CVSS 3.1: 7.5 EPSS 0.33%
Updated Sep 15, 2026
Kamailio
Parameter Value
CVSS 7.5 (HIGH)
Affected Versions before 6.1.1
Type CWE-400 (Uncontrolled Resource Consumption), CWE-415 (Double Free)
Vendor Kamailio
Public PoC No

An issue in kamailio v.6.1.1 and before allows a remote attacker to cause a denial of service via the ims_registrar_pcscf module, specifically the pcscf_save_pending/save_pending path and security-agreement parsing in sec_agree.c:parse_sec_agree()

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Kamailio Kamailio
cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
<= 6.1.1