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PatchSiren cyber security CVE debrief

CVE-2026-46857 Oracle Corporation CVE debrief

A critical vulnerability was discovered in Oracle Enterprise Manager Base Platform, specifically in the Oracle Management Service component. The vulnerability is easily exploitable and allows unauthenticated attackers with network access via HTTP to compromise the platform, potentially leading to a full takeover. This issue affects versions 13.5 and 24.1 of the platform. Organizations should prioritize patching to prevent potential exploitation.

Vendor
Oracle Corporation
Product
Oracle Enterprise Manager Base Platform
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-18
Advisory published
2026-06-17
Advisory updated
2026-06-18

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 platform administrators should review the official advisory and implement necessary mitigations.

Technical summary

The vulnerability, located in the Oracle Management Service component of Oracle Enterprise Manager Base Platform, has a CVSS 3.1 Base Score of 9.8. This score indicates a high impact on confidentiality, integrity, and availability. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The vulnerability can be exploited by unauthenticated attackers with network access via HTTP. Organizations using Oracle Enterprise Manager Base Platform versions 13.5 and 24.1 should prioritize patching to prevent potential exploitation. Security teams and platform administrators should review the official advisory and implement necessary mitigations. Further verification is recommended to ensure accuracy.

Defensive priority

High

Recommended defensive actions

  • Apply the latest security patches from Oracle Corporation
  • Implement network access controls to restrict HTTP access to Oracle Enterprise Manager Base Platform
  • Monitor for suspicious activity and implement incident response plans
  • 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
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-06-17T10:54:03.330Z and last modified on 2026-06-18T04:16:50.300Z. The NVD entry is currently Analyzed. This information is based on the provided source corpus. Further verification is recommended to ensure accuracy.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46857 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46857

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46857 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46857

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.