CVE-2026-46867: Oracle Enterprise Manager Base Platform Remote Takeover via Extensibility Framework

Technical summary

CVE-2026-46867 is a privilege-abuse vulnerability (CWE-269) in Oracle Enterprise Manager Base Platform's Extensibility Framework. The CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) indicates that while the attack vector is network-based with low complexity, exploitation requires high-level privileges—meaning an authenticated administrator or similarly privileged account is needed to trigger the flaw. The vulnerability does not require user interaction and impacts confidentiality, integrity, and availability equally. Affected versions are 13.5 and 24.1; the attack surface is the HTTPS interface.

Business impact

Control of Enterprise Manager is equivalent to control of the entire Oracle infrastructure it manages. An attacker exploiting this vulnerability could alter monitoring policies, disable alerts, modify managed system configurations, exfiltrate sensitive environment data, or introduce persistent backdoors across the monitored estate. For organizations relying on Enterprise Manager for multi-system orchestration and compliance reporting, compromise could undermine audit trails and operational visibility across critical applications.

Affected systems

Oracle Enterprise Manager Base Platform versions 13.5 and 24.1 are affected. Systems running these specific versions with network-accessible HTTPS interfaces are at risk. Organizations should audit their Enterprise Manager deployments to identify which versions are in production and prioritize those on affected releases.

Exploitability

Exploitation is rated 'easily exploitable' by Oracle, but this reflects the low technical barrier once a high-privileged account is available. An attacker must already possess administrative credentials or equivalent network access to a privileged user session. The flaw does not grant initial access to unprivileged users; it amplifies the impact of a compromised admin account. However, given the high-privilege requirement, the actual exploitation window depends on the organization's identity governance and session management practices.

Remediation

Oracle has issued patches for affected versions; contact Oracle directly or consult the official security advisory for patch version numbers, release dates, and applicability to your specific Enterprise Manager deployment. Testing patches in a non-production environment is essential before applying to production instances, as Enterprise Manager changes can affect downstream monitoring and alerting. Consider temporarily restricting HTTPS access to Enterprise Manager consoles to trusted networks while patches are prepared and deployed.

Patch guidance

Obtain the latest security patches from Oracle's Critical Patch Update (CPU) releases or directly from Oracle Support. Verify patch applicability to your exact Enterprise Manager version (13.5 or 24.1). Plan patching during a maintenance window to avoid disruption to monitoring. Test thoroughly in a staging environment that mirrors your production configuration before applying to live systems. Document the patching timeline and validate that monitoring and alerting resume normally after the patch is applied.

Detection guidance

Monitor HTTPS access logs to Enterprise Manager for unusual administrative activity, such as privilege-escalation attempts, Extensibility Framework modifications, or policy changes from unexpected accounts. Review audit logs within Enterprise Manager for changes to plug-in configurations, user permissions, or system settings made by high-privileged accounts. Look for network connections from privileged user sessions to Enterprise Manager that are not consistent with normal administrative workflows. Enable detailed logging for the Extensibility Framework if available.

Why prioritize this

Although the CVSS score is 7.2 (HIGH), the requirement for high privileges reduces the likelihood of external attacks but elevates the risk of insider threats and post-compromise lateral movement. Prioritize patching if you have a history of compromised admin accounts, if Enterprise Manager is internet-facing, or if insider threats are a concern in your organization. Systems in air-gapped or highly restricted networks present lower immediate risk but should still be patched per Oracle's guidance.

Risk score, explained

The CVSS 3.1 score of 7.2 reflects the high impact potential (complete confidentiality, integrity, and availability compromise) balanced against the high-privilege prerequisite. The 'easily exploitable' designation refers to the low complexity once privileges are obtained, not the ease of gaining those privileges. The score does not account for the business criticality of Enterprise Manager; organizations should raise their internal priority if Enterprise Manager underpins mission-critical monitoring or compliance reporting.

Frequently asked questions