CVE-2026-46866 Oracle Corporation CVE debrief

Who should care

Organizations using Oracle Enterprise Manager Base Platform versions 13.5 and 24.1 should prioritize patching this vulnerability to prevent potential exploitation. Security teams and administrators responsible for Oracle Enterprise Manager Base Platform deployments should review the official advisory and CVE record to validate affected scope, severity, and vendor guidance. Vulnerability management teams should plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. Asset inventory and security teams should track exceptions, retest remediated assets, and close the item only after evidence is documented.

Technical summary

The vulnerability, tracked as CVE-2026-46866, is an easily exploitable issue in the Agent Next Gen component of Oracle Enterprise Manager Base Platform. It allows unauthenticated attackers with network access via HTTPS to compromise the platform. Successful attacks can result in a hang or frequently repeatable crash (complete DOS) of Oracle Enterprise Manager Base Platform and unauthorized update, insert or delete access to some accessible data. The CVSS 3.1 Base Score is 8.2, indicating a high severity level. The vulnerability affects Oracle Enterprise Manager Base Platform versions 13.5 and 24.1.

Defensive priority

High

Recommended defensive actions

• Apply the vendor-provided patch as soon as possible
• Review and update network access controls to limit exposure
• Monitor Oracle Enterprise Manager Base Platform for unusual activity
• Consider implementing additional security measures such as Web Application Firewalls
• Verify and update inventory of affected systems
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-06-17T10:54:04.270Z and was last modified on 2026-06-17T15:16:55.557Z. The NVD entry is currently Modified. This information is based on the NVD entry and the CVE record. The vulnerability affects Oracle Enterprise Manager Base Platform versions 13.5 and 24.1. The CVSS 3.1 Base Score is 8.2, indicating a high severity level. The vulnerability allows unauthenticated attackers with network access via HTTPS to compromise the platform, potentially causing a hang or crash and allowing unauthorized data updates. Evidence of exploitation is not currently available, but defenders should verify system logs for unusual activity and monitor for indicators of compromise.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.