Command Injection Affecting zabbix/zabbix package, versions [7.0.0,7.0.22)[7.2.0,7.2.15)[7.4.0,7.4.6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-ZABBIXZABBIX-15871019
- published1 Apr 2026
- disclosed24 Mar 2026
- creditYoKo Kho
Introduced: 24 Mar 2026
CVE-2026-23920 (opens in a new tab)How to fix?
Upgrade zabbix/zabbix to version 7.0.22, 7.2.15, 7.4.6 or higher.
Overview
Affected versions of this package are vulnerable to Command Injection via the host and event action script. An attacker can execute arbitrary shell commands by injecting a newline character to bypass regex checks that use ^ and $ anchors.
Workaround
This vulnerability can be mitigated by using \A and \z anchors in the regex validation.