CVE-2026-5326Public exploitNetwork attack vector

Unauthenticated user-record disclosure via ID manipulation

Published Apr 2, 2026 · Updated Apr 2, 2026

Authorization bypass in SourceCodester Leave Application System 1.0 allows remote attackers to read user records via a crafted ID parameter. The manage_user handler uses the ID argument as a direct user-record reference without verifying authorization for the selected record. No authentication or user interaction is required; the published impact is limited to disclosure, with no reported data modification or service interruption.

CVSS severity5.3
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in SourceCodester Leave Application System 1.0 allows remote attackers to read user records via a crafted ID parameter. The manage_user handler uses the ID argument as a direct user-record reference without verifying authorization for the selected record. No authentication or user interaction is required; the published impact is limited to disclosure, with no reported data modification or service interruption.

The record

CVE
CVE-2026-5326
Published
Apr 2, 2026
Updated
Apr 2, 2026
Vendor
Online Computer and Laptop Store Project
Product
Leave Application System
Classifications
CWE-639, CWE-285, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Online Computer and Laptop Store Project · Leave Application Systemversion=1.0

Published CVSS scores

5.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.0VulDBAV:N/AC:L/Au:N/C:P/I:N/A:N
5.5VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
CWE-285Improper Authorization
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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