EUVD-2026-14952CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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Description
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.
Analysis
Authenticated users can bypass regex-based input validation in command injection action scripts by injecting newline characters that exploit multiline mode anchors, allowing shell command execution. This vulnerability affects systems using administrator-configured validation patterns with ^ and $ anchors, enabling authenticated attackers to achieve arbitrary command execution. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Validate that input sanitization is in place for all user-controlled parameters.
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