← Retour aux CVEs

CVE-2026-27760

HIGH

8.1

Description

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.

Details CVE

Score CVSS v3.18.1

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurNONE

Publie4/28/2026

Derniere modification4/28/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-94

References

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)

Correlations IOC

Aucune correlation enregistree

This product uses data from the NVD API but is not endorsed or certified by the NVD.