# CVE-2026-23930: zabbix: An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically...

CVE-2026-23930 is fixed in zabbix on 1 platform by DEBIAN-CVE-2026-23930 (version 1:7.0.27+dfsg-1), released August 29, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-23930
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0063
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 18, 2026

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | zabbix Debian 14 | 1:7.0.27+dfsg-1 | [DEBIAN-CVE-2026-23930](https://patchblox.com/security/data/fix/linux/debian-cve-2026-23930.md) | Aug 29, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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