Auth bypass in Opexus Ecase Portal
CVE-2026-22234
OPEXUS eCasePortal before version 9.0.45.0 allows an unauthenticated attacker to navigate to the 'Attachments.aspx' endpoint, iterate through predictable values of 'formid', and download or delete all user-uploaded files, or upload new files.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Opexus Ecase Portal — versions 0, 9.0.45.0
- Opexustech Ecase Portal
Weakness classification (CWE)
References
- 9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory, vdb-entry)
- 9119a7d8-5eab-497f-8521-727c672e3725 (government-resource, Broken Link, third-party-advisory)
Frequently asked questions
- What is CVE-2026-22234?
- CVE-2026-22234 is a critical-severity vulnerability in Opexus Ecase Portal, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2026-01-08.
- How severe is CVE-2026-22234?
- Critical severity. CVSS v3 base score is 9.8 out of 10.