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.

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)

EPSS: 0.004 (30.2th percentile) — read the EPSS interpretation.

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.

Affected products

Opexus Ecase Portal — versions 0, 9.0.45.0
Opexustech Ecase_portal

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

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.