CVE-2026-52023

Published Sep 1, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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()

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-6494-1 kamailio security update
History
Type Values Removed Values Added
Title Denial of Service via IMS Registrar Module in Kamailio SIP Server
Type Values Removed Values Added
Weaknesses CWE-362
Type Values Removed Values Added
Title Denial of Service via IMS Registrar Module in Kamailio SIP Server
Type Values Removed Values Added
Weaknesses CWE-415
CPEs cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Remote Denial of Service via Security Agreement Parsing in Kamailio ims_registrar_pcscf Module
Weaknesses CWE-119
Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Remote Denial of Service via Security Agreement Parsing in Kamailio ims_registrar_pcscf Module
Weaknesses CWE-119
Type Values Removed Values Added
First Time appeared Kamailio
Kamailio kamailio
Vendors & Products Kamailio
Kamailio kamailio
Type Values Removed Values Added
Description 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()
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 19, 2026, 7:36 PM
Reserved
Jun 8, 2026, 12:00 AM
Status
Modified
Published
Sep 1, 2026, 6:17 PM
Modified
Oct 19, 2026, 8:18 PM