CVE-2026-23920 — Host and event action script regex validation can be bypassed in certain situations, leading to potential command injection
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 val…
Published: 2026-03-24 · CVSS: 7.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7