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CVE-2026-27175 is an unauthenticated OS command injection vulnerability in MajorDoMo, also known as Major Domestic Module. The flaw originates in rc/index.php, where user-controlled input from the $param variable is interpolated into a shell command enclosed in double quotes without proper sanitization or escaping. The constructed command is then queued through safe_exec(), which does not sanitize the command before storing it for later execution. A second component, cycle_execs.php, is web-accessible without authentication and retrieves queued commands and passes them directly to exec(). Exploitation relies on a race condition: an attacker first invokes cycle_execs.php so it clears the queue and enters its polling loop, then submits a malicious payload through the rc endpoint while the worker is polling. Because shell metacharacters are still expanded inside double-quoted shell strings, the attacker can inject arbitrary operating system commands and achieve remote code execution.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
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10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Referenced as a vulnerability identifier in a GitHub conversation about adding templates; no technical details are provided in the content.
An unauthenticated OS command injection leading to remote code execution in MajorDoMo, caused by unsanitized user input being queued and later executed by a web-accessible worker (cycle_execs.php), with exploitation facilitated by a race condition during queue polling.
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Cross-references every affected SKU, including bundled OEM variants.
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