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CVE-2026-35048— Piwigo RCE via PHP Code Injection into Config File in Installer

CVSS 9.8 · Critical EPSS 0.32% · P25

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
PiwigoPiwigo<= 16.3.0affected
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I. Basic Information for CVE-2026-35048

Vulnerability Information
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Vulnerability Title
Piwigo RCE via PHP Code Injection into Config File in Installer
Source: CVE Program / CVE List V5
Vulnerability Description
The Piwigo installer in versions 16.3.0 and earlier accepts POST parameters for database configuration and writes them directly into a PHP configuration file without proper sanitization. On PHP 8+, the `addslashes()` protection is bypassed because it checks for `get_magic_quotes_gpc()`, a function removed in PHP 8.0. This allows raw user input to be interpolated directly into PHP source code. An unauthenticated attacker can inject arbitrary PHP code through POST parameters (prefix, dbpasswd, dbhost, dbname, or dbuser), which gets written to `local/config/database.inc.php` and executed on every page load.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Piwigo 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Piwigo是Piwigo组织开源的一套基于Web的开源图片库软件。该软件包括图片管理、图片分类和权限管理等功能。 Piwigo 16.3.0及之前版本存在输入验证错误漏洞，该漏洞源于安装器在未进行适当清理的情况下直接接受POST参数进行数据库配置并写入PHP配置文件，可能导致未经身份验证的攻击者通过prefix、dbpasswd、dbhost、dbname或dbuser参数注入任意PHP代码。
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
PiwigoPiwigo <= 16.3.0 -

II. Public POCs for CVE-2026-35048

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 10398 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2026-35048

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Vendor Advisories for CVE-2026-35048 (1)

IV. Related Vulnerabilities

Same product: Piwigo
Same vendor: Piwigo
Same weakness: CWE-20

V. Comments for CVE-2026-35048

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