CVE-2026-87134 Oracle Corporation CVE debrief

Who should care

Defenders responsible for Oracle Hyperion Data Relationship Management instances, especially those with low-privileged network access, should assess exposure and potential impact. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify exposure, assess potential impact on additional products, and review and update access controls for low-privileged network users.

Why it matters

Defenders should prioritize verifying exposure and assessing potential impact on Oracle Hyperion Data Relationship Management instances, especially those with low-privileged network access, due to the potential for unauthorized data access and product compromise.

• Potential unauthorized access to critical data
• Possible compromise of Oracle Hyperion Data Relationship Management instances
• Impact on additional products due to scope change
• Need for verification of exposure and remediation

Technical summary

The vulnerability in Oracle Hyperion Data Relationship Management (component: Access and security) allows low-privileged attackers with network access via TCP to compromise the product. Successful attacks can result in unauthorized access to critical data or complete access to all Oracle Hyperion Data Relationship Management accessible data. The CVSS 3.1 Base Score is 7.7 (Confidentiality impacts).

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact on Oracle Hyperion Data Relationship Management instances, especially those with low-privileged network access.

Recommended defensive actions

• Verify Oracle Hyperion Data Relationship Management instances for exposure
• Assess potential impact on additional products
• Review and update access controls for low-privileged network users
• Monitor for unauthorized access to critical data
• Apply vendor patches or updates according to Oracle's guidance
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, its CVSS score, and potential impacts. Oracle's security alert page may offer additional context. The vulnerability affects Oracle Hyperion Data Relationship Management version 11.2.26.0.000. The CVSS Vector is (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N). Defenders should verify exposure and assess potential impact on additional products. The CVE record was published on 2026-09-15T20:19:00.477Z and has not been modified since then.

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.