An issue in kamailio v.6.1.1 and before allows a remote attacker to cause a denial of service via the IMS P-CSCF registration handling components (CVE-2026-52022)
Description
A vulnerability in kamailio version 6.1.1 and earlier allows a remote attacker to cause a denial of service via the IMS P-CSCF registration handling components. The issue affects multiple specific kamailio package versions. The CVSS v3.1 score is 7.5, indicating a medium severity denial of service impact with no confidentiality or integrity loss.
CVSS v3.1
Score 7.5high
Affected software
pkg:deb/ubuntu/kamailio?arch=source&distro=esm-apps/xenialpkg:deb/ubuntu/kamailio?arch=source&distro=esm-apps/bionicpkg:deb/ubuntu/kamailio?arch=source&distro=esm-apps/focalpkg:deb/ubuntu/kamailio?arch=source&distro=jammypkg:deb/ubuntu/kamailio?arch=source&distro=noblepkg:deb/ubuntu/kamailio?arch=source&distro=stonkingpkg:deb/ubuntu/kamailio?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-52022 describes a denial of service vulnerability in kamailio versions 6.1.1 and earlier. The flaw exists in the IMS P-CSCF registration handling components, allowing a remote attacker to cause service disruption. The vulnerability does not impact confidentiality or integrity but can cause availability issues. Multiple kamailio package versions across Ubuntu releases are affected. No vendor advisory or patch information is provided, so patch status is not confirmed.
Potential Impact
The vulnerability allows remote attackers to cause denial of service, impacting availability of the affected kamailio service. There is no impact on confidentiality or integrity. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting exposure of the IMS P-CSCF registration handling components to untrusted networks.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-52022
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad3f60a2cdf04f6566640ea
Added to database: 10/17/2026, 22:26:18 UTC
Last enriched: 10/18/2026, 00:56:35 UTC
Last updated: 10/18/2026, 00:56:35 UTC
Views: 3
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