CVE-2026-22234CWE-639

OPEXUS eCasePortal unauthenticated IDOR

Critical · published January 8, 2026

CVSS v4.0
9.3
EPSS
0%
Percentile
33.9
In the wild
Unconfirmed
What it is

🚨 An attacker can manipulate a straightforward endpoint to access ALL user-uploaded files! With OPEXUS eCasePortal before version 9.0.45.0, it’s as easy as strolling through an open door with an address book of form IDs. 🔥 Think of it like a guest at a party who discovers they can snoop through every room just by guessing the room numbers. Without a bouncer checking IDs, they can delete your prized possessions or even drop off their own unwanted leftovers! This vulnerability is absolutely devastating: An unauthenticated attacker could download sensitive files, delete important records, or upload malicious files, potentially causing chaos in your system! Imagine the fallout if your confidential data lands in the wrong hands or if harmful files disrupt operations.

Put simply

Think of it like a guest at a party who discovers they can snoop through every room just by guessing the room numbers. Without a bouncer checking IDs, they can delete your prized possessions or even drop off their own unwanted leftovers! CVE-2026-22234 allows unauthenticated users to access the 'Attachments.aspx' endpoint in OPEXUS eCasePortal, where they can iterate through predictable 'formid' values. This gives them the ability to download, delete, or upload files without any authentication checks.

What to do

This vulnerability is absolutely devastating: An unauthenticated attacker could download sensitive files, delete important records, or upload malicious files, potentially causing chaos in your system! Imagine the fallout if your confidential data lands in the wrong hands or if harmful files disrupt operations. Immediately upgrade OPEXUS eCasePortal to version 9.0.45.0 or later to close this critical access hole. Additionally, review your access controls to ensure sensitive endpoints are properly protected. Regularly audit uploaded files and permissions, just to be safe! You've got this! Stay vigilant, patch up, and your security hero status will stay activated! 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00408 · 33.9th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-01-08T17:12Z
EPSS history
Timeline
  • 08 JAN 17:12Z
    OPEXUS eCasePortal unauthenticated IDOR
    cvelistv5