CVE-2026-56057

Uncanny Owl · Uncanny Automator Pro

A PHP Object Injection vulnerability in Uncanny Automator Pro allows attackers to execute arbitrary code via malicious serialized input.

Executive summary

A critical PHP Object Injection vulnerability in Uncanny Automator Pro permits remote code execution, posing a severe risk to the integrity of the host environment.

Vulnerability

The vulnerability stems from improper handling of serialized data, enabling an attacker to inject arbitrary PHP objects. If the application environment contains suitable gadget chains, this leads to remote code execution with the privileges of the web server process.

Business impact

With a CVSS score of 9.8, this vulnerability represents a critical risk to business continuity. Successful exploitation enables attackers to gain full administrative access, potentially leading to data exfiltration, database corruption, or the installation of persistent backdoors on the affected server.

Remediation

Immediate Action: Upgrade Uncanny Automator Pro to the latest patched version provided by Uncanny Owl to eliminate the injection vector.

Proactive Monitoring: Review web server logs for irregular traffic patterns and monitor for unexpected file modifications or unauthorized user account creation.

Compensating Controls: Utilize a WAF to filter incoming traffic and block requests containing suspicious serialized PHP payloads.

Exploitation status

Public Exploit Available: Unknown

Analyst recommendation

This vulnerability demands immediate attention due to the ease with which code execution can be achieved. Administrators should verify the plugin version and apply the vendor-supplied update immediately to prevent unauthorized system access and potential compromise of site data.