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CVE-2026-5326— SourceCodester Leave Application System User Information index.php authorization

Quick assessment

Affected
SourceCodester Leave Application 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.

SourceCodester Leave Application System是SourceCodester开源的一个休假申请系统。 SourceCodester Leave Application System 1.0版本存在安全漏洞，该漏洞源于组件User Information Handler的文件/index.php?page=manage_user中对参数ID的操作不当，可能导致授权绕过。

CVSS 5.3 · Medium EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2026-5326

Vulnerability Information
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Vulnerability Title
SourceCodester Leave Application System User Information index.php authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in SourceCodester Leave Application System 1.0. Impacted is an unknown function of the file /index.php?page=manage_user of the component User Information Handler. Such manipulation of the argument ID leads to authorization bypass. The attack can be executed remotely. The exploit is publicly available and might be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
SourceCodester Leave Application System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SourceCodester Leave Application System是SourceCodester开源的一个休假申请系统。 SourceCodester Leave Application System 1.0版本存在安全漏洞，该漏洞源于组件User Information Handler的文件/index.php?page=manage_user中对参数ID的操作不当，可能导致授权绕过。
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
SourceCodester Leave Application System 1.0 -

II. Public POCs for CVE-2026-5326

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III. Intelligence Information for CVE-2026-5326

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Vendor Advisories for CVE-2026-5326 (1)

Other References for CVE-2026-5326 (1)

Same Patch Batch · SourceCodester · 2026-04-02 · 3 CVEs total

CVE-2026-5330 6.5 MEDIUM SourceCodester/mayuri_k Best Courier Management System User Delete ajax.php access control
CVE-2026-5325 3.5 LOW SourceCodester Simple Customer Relationship Management System Create Ticket create-ticket.

IV. Related Vulnerabilities

Same product: Leave Application System
Same vendor: SourceCodester
Same weakness: CWE-639

V. Comments for CVE-2026-5326

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