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CVE-2026-27760— OpenCATS PHP Code Injection via installer AJAX endpoint

CVSS 8.1 · High EPSS 0.13% · P32
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I. Basic Information for CVE-2026-27760

Vulnerability Information
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Vulnerability Title
OpenCATS PHP Code Injection via installer AJAX endpoint
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenCats 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenCats是OpenCats开源的一套开源的招聘流程管理系统。 OpenCats存在代码注入漏洞，该漏洞源于安装程序AJAX端点存在PHP代码注入，可能导致未经身份验证的攻击者通过向databaseConnectivity操作参数注入PHP语句执行任意代码，攻击者可以利用单引号和语句分隔符跳出config.php中define()字符串环境，注入恶意PHP代码，在安装向导未完成时每次页面加载时持久执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
opencatsOpenCATS 0 ~ 0.9.7.4 -

II. Public POCs for CVE-2026-27760

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III. Intelligence Information for CVE-2026-27760

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IV. Related Vulnerabilities

Same product: OpenCATS
Same vendor: opencats
Same weakness: CWE-94

V. Comments for CVE-2026-27760

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