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CVE-2026-90789— itsourcecode Leave Management System login.php sql injection

Quick assessment

Affected
itsourcecode Leave Management System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

itsourcecode leave management system是itsourcecode公司开源的一个请假管理系统。 itsourcecode leave management system 1.0版本存在安全漏洞，该漏洞源于对文件/login.php中参数user_email的错误操作，可能导致SQL注入。

CVSS 7.3 · High EPSS 0.43% · P37

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
itsourcecode Leave Management System 1.0 affected
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I. Basic Information for CVE-2026-90789

Vulnerability Information
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Vulnerability Title
itsourcecode Leave Management System login.php sql injection
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in itsourcecode Leave Management System 1.0. Affected by this issue is some unknown functionality of the file /login.php. Executing a manipulation of the argument user_email can lead to sql injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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
itsourcecode leave management system 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
itsourcecode leave management system是itsourcecode公司开源的一个请假管理系统。 itsourcecode leave management system 1.0版本存在安全漏洞，该漏洞源于对文件/login.php中参数user_email的错误操作，可能导致SQL注入。
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
itsourcecode Leave Management System 1.0 cpe:2.3:a:itsourcecode:leave_management_system:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90789

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III. Intelligence Information for CVE-2026-90789

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Proof of Concept for CVE-2026-90789 (1)

Other References for CVE-2026-90789 (1)

Same Patch Batch · itsourcecode · 2026-09-14 · 4 CVEs total

CVE-2026-90700 6.3 MEDIUM itsourcecode Sales and Inventory System pro_edit1.php sql injection
CVE-2026-90796 6.3 MEDIUM itsourcecode Leave Management System index.php sql injection
CVE-2026-90795 4.3 MEDIUM itsourcecode Loan Management System navbar.php cross site scripting

IV. Related Vulnerabilities

Same product: Leave Management System
Same vendor: itsourcecode
Same weakness: CWE-89