Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
Description
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
Remediation
Apply vendor security updates immediately. Monitor for exploitation attempts and review access logs.
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VENDOR: Mattermost
PRODUCT: Plugin Legal Hold
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
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Description Summary:
A vulnerability in the Mattermost Plugin Legal Hold allows for potential security bypasses in version 1 and earlier.
Executive Summary:
The Mattermost Plugin Legal Hold is affected by a high-severity vulnerability that could facilitate unauthorized data access.
Vulnerability Details
CVE-ID: CVE-2026-3524
Affected Software: Mattermost Plugin Legal Hold
Affected Versions: See vendor advisory for specific affected versions
Vulnerability: This vulnerability affects the Legal Hold plugin for Mattermost, potentially allowing an attacker to bypass intended security controls. The flaw may allow unauthorized access to sensitive legal hold data depending on the authentication context.
Business Impact
Exploitation of this vulnerability could lead to the unauthorized disclosure or manipulation of sensitive legal records stored within the Mattermost environment. With a CVSS score of 8.8, this poses a substantial risk to legal compliance and organizational confidentiality.
Remediation Plan
Immediate Action: Update the Legal Hold plugin to the latest available version provided by Mattermost.
Proactive Monitoring: Review audit logs for unauthorized access to the Legal Hold plugin or export functions.
Compensating Controls: Limit access to the Legal Hold plugin functionality to a restricted set of authorized users using role-based access controls.
Exploitation Status
Public Exploit Available: false
Analyst Notes: As of April 6, 2026, there is no public information indicating active exploitation of this vulnerability. However, the high CVSS score necessitates immediate attention to ensure sensitive legal data remains protected.
Analyst Recommendation
Organizations utilizing the Mattermost Legal Hold plugin must update to the latest version immediately to mitigate this high-risk vulnerability. Ensuring that security patches are applied promptly is critical for maintaining data integrity.