7.5highHigh
CVE-2026-23930
Zabbix Zabbix
An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend popup.testtriggerexpr action, leading to potential denial of service.
Exploitation status
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, no account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 7.5 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- CVSS v4
- 5.3
- Weakness
- CWE-405
- Assigned by
- security@zabbix.com
Dates
- Published
- 2026-08-18
- Last modified
- 2026-09-08
- Sources
- NVD
Affected products
- Zabbix Zabbix6.0.0 - 6.0.47, 7.0.0 - 7.0.27, 7.4.0 - 7.4.11
As listed in the NVD configuration data. Not a statement about your estate.