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CVE-2026-61518— ISPConfig Authenticated SQL Injection via Remote API primary_id Parameter

Quick assessment

Affected
ispconfig ispconfig3
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.

ISPConfig 3是ISPConfig团队的一款服务器管理软件。 ISPConfig 3 3.2.0版本和3.3.0版本存在安全漏洞，该漏洞源于Remote API中primary_id参数未经过整数转换或参数化查询绑定，直接拼接至SQL WHERE子句，可能导致SQL注入，攻击者可删除或修改跨租户记录并提取任意数据。

CVSS 8.8 · High EPSS 0.46% · P38

Affected Version Matrix 2

VendorProduct Version RangeStatus
ispconfig ispconfig3 3.2.0≤ * affected
3.3.0≤ * affected
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I. Basic Information for CVE-2026-61518

Vulnerability Information
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Vulnerability Title
ISPConfig Authenticated SQL Injection via Remote API primary_id Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
ISPConfig contains an authenticated SQL injection vulnerability in the Remote API. The primary_id parameter passed to delete and update API methods is concatenated directly into SQL WHERE clauses without integer casting or parameterized query binding. The built-in SQL injection scanner does not block quote-free boolean payloads and does not reject requests in its default configuration. A remote API user holding any single low-privilege function permission can inject arbitrary SQL to delete or modify records across all tenants in the control panel database and extract arbitrary data via blind boolean inference, including password hashes and client records.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
ISPConfig 3 SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISPConfig 3是ISPConfig团队的一款服务器管理软件。 ISPConfig 3 3.2.0版本和3.3.0版本存在安全漏洞，该漏洞源于Remote API中primary_id参数未经过整数转换或参数化查询绑定，直接拼接至SQL WHERE子句，可能导致SQL注入，攻击者可删除或修改跨租户记录并提取任意数据。
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
ispconfig ispconfig3 3.2.0 ~ * -

II. Public POCs for CVE-2026-61518

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 12317 chars
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III. Intelligence Information for CVE-2026-61518

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Vendor Advisories for CVE-2026-61518 (1)

Other References for CVE-2026-61518 (1)

IV. Related Vulnerabilities

Same vendor: ispconfig
Same weakness: CWE-89

V. Comments for CVE-2026-61518

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