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CVE-2026-27760

HIGH

8.1

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.18.1

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/28/2026

Ultima modificacao4/28/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-94

Referencias

https://chocapikk.com/posts/2026/opencats-installer-rce/(disclosure@vulncheck.com)

https://github.com/opencats/OpenCATS/blob/46e4727/lib/CATSUtility.php#L142-L172(disclosure@vulncheck.com)

https://github.com/opencats/OpenCATS/blob/46e4727/modules/install/ajax/ui.php#L130(disclosure@vulncheck.com)

https://github.com/opencats/OpenCATS/commit/3002a29f4c3cada1aa2c4f3d4ae4e189906606b6(disclosure@vulncheck.com)

https://github.com/opencats/OpenCATS/pull/706(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/opencats-php-code-injection-via-installer-ajax-endpoint(disclosure@vulncheck.com)

Correlacoes IOC

Sem correlacoes registradas

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