EUVD-2026-26052CVSS VectorNVD
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/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
Lifecycle Timeline
4DescriptionNVD
OpenCATS prior to commit 3002a29 contains a PHP code injection vulnerability in the installer AJAX endpoint that allows unauthenticated attackers to execute arbitrary code by injecting PHP statements into the databaseConnectivity action parameter. Attackers can break out of the define() string context in config.php using a single quote and statement separator to inject malicious PHP code that persists and executes on every subsequent page load when the installation wizard remains incomplete.
AnalysisAI
Remote code execution in OpenCATS installer allows unauthenticated attackers to inject and execute arbitrary PHP code by manipulating the AJAX endpoint's databaseConnectivity action parameter. The injected code persists in config.php and executes on every page load while the installation wizard remains incomplete. …
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RemediationAI
Within 24 hours: identify all OpenCATS instances in your environment and verify installation status (prioritize any incomplete installations). Within 7 days: apply vendor patch (GitHub commit 3002a29 or later) to all OpenCATS installations and complete or remove any incomplete installation wizards. …
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External POC / Exploit Code
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