CVE-2026-23920High· 8.8▾ TwilightHost and event action script input is validated with a regex (set by the administrator), but the validation runs in multiline mode. If ^ and $ anchors are used in user input validation, an injected newline lets authenticated users bypass…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Sep 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
0.2% → 0.3%
Host and event action script input is validated with a regex (set by the administrator), but the validation runs in multiline mode. If ^ and $ anchors are used in user input validation, an injected newline lets authenticated users bypass the check and inject shell commands.
zabbix >= 7.0.0, < 7.0.22zabbix >= 7.2.0, < 7.2.15zabbix >= 7.4.0, < 7.4.6Upgrade past the affected range:
zabbix 7.4.6Connected by shared product, vendor, weakness, or advisory.
CVE-2026-23924Medium· 4.9Zabbix Agent 2 Docker plugin does not properly sanitize the 'docker.container_info' parameters when forwarding them to the Docker daemon
CVE-2026-23919Medium· 6.0For performance reasons Zabbix Server/Proxy reuses JavaScript (Duktape) contexts (used in script items, JavaScript reprocessing, Webhooks)
CVE-2026-23928Medium· 6.8The Item history widget (in Zabbix 7.0+) or the Plain text widget (in Zabbix 6.0) can execute injected JavaScript when HTML display is enabled
CVE-2026-23927Medium· 6.5A user able to connect to Agent 2 can inject an Oracle TNS connection string via the 'service' parameter
CVE-2026-23926Medium· 6.8An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget
CVE-2026-23923Medium· 5.3An unauthenticated attacker can exploit the Frontend 'validate' action to blindly instantiate arbitrary PHP classes