Insecure Direct Object Reference in OPEXUS eComplaint Allows File Download

Publication date: 2026-01-08

Last updated on: 2026-02-18

Assigner: Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government

Description

OPEXUS eComplaint before version 9.0.45.0 allows an attacker to visit the the 'DocumentOpen.aspx' endpoint, iterate through predictable values of 'chargeNumber', and download any uploaded files.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-08

Last Modified

2026-02-18

Generated

2026-07-09

AI Q&A

2026-01-08

EPSS Evaluated

2026-07-08

NVD

CVE-2026-22235

EUVD

EUVD-2026-1485

Affected Vendors & Products

Vendor	Product	Version / Range
opexustech	ecase_ecomplaint	to 9.0.45.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-639	The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

Executive Summary

This vulnerability in OPEXUS eComplaint before version 9.0.45.0 allows an attacker to access the 'DocumentOpen.aspx' endpoint and iterate through predictable 'chargeNumber' values to download any uploaded files without authorization.

Impact Analysis

An attacker exploiting this vulnerability can download sensitive or confidential files uploaded to the system without permission, potentially leading to data breaches and unauthorized data exposure.

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