CVE-2026-52023

7.5 HIGH 0.4% exploit odds Fix listed Memory safety Library

What it is

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()

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-09-01 18:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-19 20:18 UTC Last updatedMost recent change to the record

Details

Published: 2026-09-01 18:17 UTC
Last modified: 2026-10-19 20:18 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-415
Record status: Modified

Affected

Kamailio ≤ 6.1.1

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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Fix and advisories

References

NVD record · CVE.org record