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PatchSiren cyber security CVE debrief

CVE-2026-87143 Oracle Corporation CVE debrief

A high-severity vulnerability exists in Oracle Hyperion Data Relationship Management, affecting version 11.2.26.0.000. This difficult-to-exploit vulnerability allows unauthenticated attackers with network access via TCP to compromise the product, potentially leading to unauthorized creation, deletion, or modification of critical data, as well as unauthorized access to critical or all accessible data.

Vendor
Oracle Corporation
Product
Oracle Hyperion Data Relationship Management
CVSS
HIGH 7.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-15
Original CVE updated
2026-09-21
Advisory published
2026-09-15
Advisory updated
2026-09-21

Who should care

Defenders responsible for Oracle Hyperion Data Relationship Management systems, network administrators, and security teams should assess exposure and potential impacts. Roles include system administrators, cybersecurity specialists, and compliance officers. Deployment contexts that should be evaluated include environments where Oracle Hyperion Data Relationship Management is used, especially those with sensitive data or critical business operations.

Why it matters

CVE-2026-87143 is a high-severity vulnerability in Oracle Hyperion Data Relationship Management that allows unauthenticated attackers to potentially access and modify critical data. Defenders should verify exposure, assess data integrity and confidentiality risks, and prioritize patching or mitigating this vulnerability.

  • Potential unauthorized data modifications or access, requiring verification of system integrity and data confidentiality.
  • Need to assess and restrict network access to prevent exploitation.
  • Possible impact on business operations due to data integrity and confidentiality risks.
  • Verification of vendor-provided patches or updates when available.

Technical summary

The vulnerability in Oracle Hyperion Data Relationship Management (component: Access and security) allows unauthenticated attackers with network access via TCP to compromise the product. Successful attacks can result in unauthorized creation, deletion, or modification access to critical data or all Oracle Hyperion Data Relationship Management accessible data, as well as unauthorized access to critical data or complete access to all Oracle Hyperion Data Relationship Management accessible data. The CVSS 3.1 Base Score is 7.4, indicating high severity with Confidentiality and Integrity impacts.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impacts on data integrity and confidentiality.

Recommended defensive actions

  • Verify if the Oracle Hyperion Data Relationship Management product, version 11.2.26.0.000, is in use and assess potential exposure.
  • Review network access controls and ensure that TCP access is properly restricted.
  • Monitor for any unauthorized data modifications or access attempts.
  • Consider applying vendor-provided patches or updates when available.
  • 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.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, its impacts, and affected versions. However, additional information on potential exploits or affected systems is limited. Defenders should verify exposure, assess data integrity and confidentiality risks, and prioritize patching or mitigating this vulnerability. The vulnerability allows unauthenticated attackers with network access via TCP to compromise Oracle Hyperion Data Relationship Management, potentially leading to unauthorized creation, deletion, or modification

Sources and references

Verified primary and authoritative sources

  • CVE-2026-87143 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-87143

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

  • CVE-2026-87143 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-87143

    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.