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CVE-2026-27834— Piwigo: SQL Injection in pwg.users.getList API Method via filter Parameter

Quick assessment

Affected
Piwigo Piwigo
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Piwigo是Piwigo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之前版本存在安全漏洞，该漏洞源于pwg.users.getList Web Service API方法中filter参数未经适当清理直接拼接至SQL查询，可能导致经过身份验证的管理员执行任意SQL命令。

CVSS 7.2 · High EPSS 0.37% · P30

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-27834

Vulnerability Information
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Vulnerability Title
Piwigo: SQL Injection in pwg.users.getList API Method via filter Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, a SQL Injection vulnerability exists in the pwg.users.getList Web Service API method. The filter parameter is directly concatenated into a SQL query without proper sanitization, allowing authenticated administrators to execute arbitrary SQL commands. This issue has been patched in version 16.3.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Piwigo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Piwigo是Piwigo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之前版本存在安全漏洞，该漏洞源于pwg.users.getList Web Service API方法中filter参数未经适当清理直接拼接至SQL查询，可能导致经过身份验证的管理员执行任意SQL命令。
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

Vendor Product Affected Versions CPE Subscribe
Piwigo Piwigo < 16.3.0 -

II. Public POCs for CVE-2026-27834

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Qwen3.6-35B-A3B · 9398 chars
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III. Intelligence Information for CVE-2026-27834

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Patches & Fixes for CVE-2026-27834 (1)

Same Patch Batch · Piwigo · 2026-04-03 · 4 CVEs total

CVE-2026-27833 7.5 HIGH Piwigo: Unauthenticated Information Disclosure via pwg.history.search API
CVE-2026-27885 7.2 HIGH Piwigo: SQL Injection in Activity.getList
CVE-2026-27634 Piwigo: Pre-auth SQL injection via date filter parameters in ws_std_image_sql_filter

IV. Related Vulnerabilities

Same product: Piwigo
Same vendor: Piwigo
Same weakness: CWE-89

V. Comments for CVE-2026-27834

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