Full Report
OpenText security advisory (AV26-199)
Analysis Summary
# Vulnerability: OpenText Filr Improper Access Control
## CVE Details
- **CVE ID:** CVE-2026-3266
- **CVSS Score:** Not explicitly provided in the bulletin (Pending official CVSS scoring, but typically categorized as Medium to High for access control flaws).
- **CWE:** CWE-284 (Improper Access Control)
## Affected Systems
- **Products:** OpenText Filr
- **Versions:** All versions up to and including 25.1.2
- **Configurations:** Default installations of the Filr file sharing and collaboration platform.
## Vulnerability Description
An improper access control vulnerability exists in OpenText Filr. This flaw allows an attacker to bypass or circumvent established security restrictions to gain unauthorized access to resources or perform actions that should be restricted to privileged users. The technical root cause typically involves insufficient validation of user permissions or insufficient enforcement of access policies within the application framework.
## Exploitation
- **Status:** No report of exploitation in the wild at the time of advisory publication.
- **Complexity:** Medium (May require valid user credentials or specific knowledge of internal resource identifiers).
- **Attack Vector:** Network (Remote)
## Impact
- **Confidentiality:** Potential (Unauthorized access to sensitive files or metadata).
- **Integrity:** Potential (Unauthorized modification or deletion of resources).
- **Availability:** Low (Primary impact is centered on unauthorized access rather than denial of service).
## Remediation
### Patches
- OpenText recommends upgrading to **Filr version 25.1.3** or higher to resolve this vulnerability.
- Administrators should check the OpenText/Micro Focus Customer Portal for the latest maintenance release.
### Workarounds
- No specific manual workaround (such as configuration file edits) has been provided. The primary remediation is a binary update.
- General Mitigation: Restrict Filr access to known internal networks or via VPN until patching is complete.
## Detection
- **Indicators of Compromise:** Unusual access logs showing users accessing files or directories outside of their standard department or scope.
- **Detection methods and tools:** Audit OpenText Filr application logs for unauthorized access attempts or unusual patterns of file retrieval from non-administrative accounts.
## References
- **Vendor advisory:** hxxps[://]portal[.]microfocus[.]com/s/article/KM000045579?language=en_US
- **CCCS Bulletin:** hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/opentext-security-advisory-av26-199