File Upload and Access Vulnerability in OPEXUS eCasePortal
CVE-2026-22234

9.3CRITICAL

Key Information:

Vendor

Opexus

Status
Ecase Portal
Vendor
CVE Published:
8 January 2026

What is CVE-2026-22234?

OPEXUS eCasePortal versions prior to 9.0.45.0 contain a vulnerability that allows unauthenticated attackers to exploit the 'Attachments.aspx' endpoint. By manipulating predictable 'formid' values, an attacker can potentially download or delete user-uploaded files, as well as upload new files. This flaw raises serious concerns regarding data integrity and confidentiality, making it imperative for users to upgrade to a secure version.

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Deploy the Patch

Affected Version(s)

eCase Portal 0 < 9.0.45.0

eCase Portal 9.0.45.0

References

https://www.cve.org/CVERecord?id=CVE-2026-22234
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https://raw.githubusercontent.com/cisagov/CSAF/develop/cs...
government-resourcethird-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Zach Crosman, CISA
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