CVE-2025-49643

An authenticated Zabbix user (including Guest) is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service.

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - security@zabbix.com

Published

2025-12-01

Last modified

2025-12-01

Weaknesses

CWE-405

Affected products

• Frontend (Zabbix)
• Zabbix (Zabbix)

References

• https://support.zabbix.com/browse/ZBX-27284