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CVE-2026-40083— Cacti: SQL Injection in managers.php

Quick assessment

Affected
Cacti cacti
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.

Cacti是Cacti团队开源的一款日志分析与审计软件。 Cacti 1.2.30及之前版本存在SQL注入漏洞，该漏洞源于managers.php中未清理的反序列化和implode操作导致SQL注入，当使用SNMP agent管理权限时，通过cacti_unserialize函数反序列化并直接拼接至SQL语句，未经整数验证，容易受到SQL注入攻击。

CVSS 7.2 · High EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Cacti cacti < 1.2.31 affected
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I. Basic Information for CVE-2026-40083

Vulnerability Information
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Vulnerability Title
Cacti: SQL Injection in managers.php
Source: CVE Program / CVE List V5
Vulnerability Description
Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have SQL Injection through unsanitized unserialize+implode in managers.php. At line 756 of managers.php, the application assigns $selected_items by calling cacti_unserialize(stripslashes(gnrv('selected_graphs_array'))). The cacti_unserialize() function calls unserialize() with allowed_classes set to false, which prevents object injection but still allows arbitrary string arrays to be deserialized. Then, at lines 760 to 766, the deserialized array values are passed directly into db_execute('DELETE FROM snmpagent_managers WHERE id IN (' . implode(',', $selected_items) . ')'), where they are imploded into the SQL statement without any integer validation, resulting in SQL Injection when using SNMP agent management permissions. This issue has been fixed in version 1.2.31.
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
Cacti SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cacti是Cacti团队开源的一款日志分析与审计软件。 Cacti 1.2.30及之前版本存在SQL注入漏洞，该漏洞源于managers.php中未清理的反序列化和implode操作导致SQL注入，当使用SNMP agent管理权限时，通过cacti_unserialize函数反序列化并直接拼接至SQL语句，未经整数验证，容易受到SQL注入攻击。
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
Cacti cacti < 1.2.31 -

II. Public POCs for CVE-2026-40083

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Qwen3.6-35B-A3B · 8161 chars
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III. Intelligence Information for CVE-2026-40083

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Patches & Fixes for CVE-2026-40083 (1)

Vendor Advisories for CVE-2026-40083 (1)

Same Patch Batch · Cacti · 2026-06-25 · 5 CVEs total

CVE-2026-40084 6.5 MEDIUM Cacti: Arbitrary File Read via Path Traversal in Report `format_file` Parameter
CVE-2026-40080 6.1 MEDIUM Cacti: Open Redirect via HTTP_REFERER substring check in auth_login_redirect
CVE-2026-40082 5.4 MEDIUM Cacti: Session Fixation via missing session_regenerate_id() after login
CVE-2026-40941 Cacti: Package Import Signature Validation Bypass Allows Self-Signed Packages

IV. Related Vulnerabilities

Same product: cacti
Same vendor: Cacti
Same weakness: CWE-89

V. Comments for CVE-2026-40083

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