CVE-2026-47006: Oracle Enterprise Manager Escalation Flaw

CVE-2026-47006 Overview

CVE-2026-47006 is a high-severity vulnerability in the Oracle Enterprise Manager Base Platform, specifically within the Self Update Framework component. The flaw affects Oracle Enterprise Manager versions 13.5 and 24.1. An attacker with high privileges and network access via HTTPS can exploit the vulnerability to compromise the platform. Successful exploitation results in complete takeover of Oracle Enterprise Manager Base Platform, with impacts to confidentiality, integrity, and availability. The weakness is classified under [CWE-284] Improper Access Control. Oracle disclosed the issue in the Oracle Security Alert July 2026.

Critical Impact
Successful exploitation allows a high-privileged network attacker to fully take over Oracle Enterprise Manager Base Platform, affecting the confidentiality, integrity, and availability of the managed environment.

Affected Products

Oracle Enterprise Manager Base Platform 13.5
Oracle Enterprise Manager Base Platform 24.1
Component: Self Update Framework

Discovery Timeline

2026-07-21 - CVE-2026-47006 published to NVD
2026-07-23 - Last updated in NVD database
July 2026 - Oracle publishes the Oracle Security Alert July 2026

Technical Details for CVE-2026-47006

Vulnerability Analysis

The vulnerability resides in the Self Update Framework of Oracle Enterprise Manager Base Platform. The Self Update Framework retrieves and applies updates to the management platform, including metadata definitions, plug-ins, and agent components. Improper access control on this framework allows a high-privileged user with network access to bypass expected authorization boundaries. Because Enterprise Manager governs configuration, patching, and monitoring for downstream Oracle assets, compromise of the platform yields administrative reach into the managed estate. The exposure is classified as [CWE-284] Improper Access Control, indicating that authorization checks do not sufficiently restrict actions available to the authenticated actor.

Root Cause

The root cause is inadequate enforcement of access control within the Self Update Framework. Authenticated actors holding elevated privileges can invoke framework operations that should be restricted. Because the framework processes update content trusted by the platform, weak access enforcement translates directly to platform takeover.

Attack Vector

Exploitation requires network access to the Enterprise Manager HTTPS interface and valid high-privileged credentials. No user interaction is required, and the attack complexity is low. The scope remains unchanged, but confidentiality, integrity, and availability are all impacted at the highest level. Oracle characterizes the vulnerability as easily exploitable once the privilege prerequisite is met.

No verified public proof-of-concept code is available. See the Oracle Security Alert July 2026 for advisory details.

Detection Methods for CVE-2026-47006

Indicators of Compromise

Unexpected Self Update Framework operations initiated outside of scheduled maintenance windows.
New or modified plug-ins, metadata, or agent artifacts registered by administrative accounts that do not typically perform updates.
Anomalous HTTPS sessions to the Enterprise Manager console originating from unusual source addresses.
Audit records showing privileged Enterprise Manager users performing actions outside their normal operational baseline.

Detection Strategies

Enable and centralize Oracle Enterprise Manager audit logs, focusing on Self Update, plug-in deployment, and job submission activity.
Alert on modifications to update repository content, agent binaries, or plug-in registrations that do not correlate with an approved change ticket.
Correlate Enterprise Manager administrative logins with source geolocation and time-of-day baselines to surface credential misuse.

Monitoring Recommendations

Forward Enterprise Manager audit and access logs to a SIEM for retention and correlation with identity telemetry.
Monitor privileged account usage against Active Directory or Oracle Identity Cloud Service records for lateral movement patterns.
Track outbound connections from Enterprise Manager hosts to detect data staging or exfiltration following suspected takeover.

How to Mitigate CVE-2026-47006

Immediate Actions Required

Apply the July 2026 Critical Patch Update from Oracle to Enterprise Manager Base Platform 13.5 and 24.1 without delay.
Rotate credentials for all high-privileged Enterprise Manager accounts, including SYSMAN and repository owner accounts.
Restrict network reachability of the Enterprise Manager console to trusted administrative subnets and jump hosts.
Review recent Self Update activity and plug-in installations for unauthorized changes.

Patch Information

Oracle addresses CVE-2026-47006 in the Oracle Security Alert July 2026. Administrators should follow the Critical Patch Update advisory for version-specific bundle patches for Enterprise Manager 13.5 and 24.1.

Workarounds

Enforce network segmentation so that only administrative jump hosts can reach the Enterprise Manager HTTPS endpoint.
Require multi-factor authentication for all Enterprise Manager administrative logins to reduce risk of credential abuse.
Reduce the number of accounts holding Enterprise Manager super-administrator or comparable roles until patching is complete.
Increase audit log verbosity for Self Update Framework operations and review daily.

bash

# Configuration example: restrict Enterprise Manager console access at the host firewall
# Allow only the administrative jump host subnet to reach the OMS HTTPS port
firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="10.10.20.0/24" port port="7803" protocol="tcp" accept'
firewall-cmd --permanent --add-rich-rule='rule family="ipv4" port port="7803" protocol="tcp" drop'
firewall-cmd --reload