CVE-2026-22235CWE-639

OPEXUS eComplaint IDOR

High ยท published January 8, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
27.6
In the wild
Unconfirmed
What it is

โšก A sneaky endpoint allows anyone to download uploaded files with just a little number guessing! ๐Ÿ“„ Picture this as a poorly managed library where anyone can pick a book off the shelf just by knowing its index number, even if it's top secret! ๐Ÿ“š An attacker can exploit this vulnerability to download any document uploaded to the server, leading to potentially sensitive data leaks โ€” absolutely devastating for privacy! Imagine a hacker casually strolling out with confidential information without breaking a sweat.

Put simply

Picture this as a poorly managed library where anyone can pick a book off the shelf just by knowing its index number, even if it's top secret! ๐Ÿ“š This vulnerability in OPEXUS eComplaint before version 9.0.45.0 allows attackers to access the 'DocumentOpen.aspx' endpoint and iterate through predictable 'chargeNumber' values to download files.

What to do

An attacker can exploit this vulnerability to download any document uploaded to the server, leading to potentially sensitive data leaks โ€” absolutely devastating for privacy! Imagine a hacker casually strolling out with confidential information without breaking a sweat. Upgrade to OPEXUS eComplaint version 9.0.45.0 or later to patch this vulnerability. Also, consider implementing more robust access controls to protect sensitive files from unauthorized access. You've got this! Just follow these steps to lock things down and ensure your data remains safe! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS v4.0
8.7 ยท HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00352 ยท 27.6th percentile
Weakness
CWE-639 ยท Authorization Bypass Through User-Controlled Key
Published
2026-01-08T17:13Z
EPSS history
Timeline
  • 08 JAN 17:13Z
    OPEXUS eComplaint IDOR
    cvelistv5