CVE-2026-87139 Oracle CVE debrief

Who should care

Defenders responsible for Oracle Hyperion Data Relationship Management deployments, especially those with low-privileged access, should assess exposure and apply remediation. They should also review compensating controls for exposed systems and monitor for suspicious activity or potential exploitation attempts.

Why it matters

Defenders should prioritize verifying exposure and applying remediation for this high-severity vulnerability in Oracle Hyperion Data Relationship Management, especially in environments with low-privileged access.

• Potential takeover of Oracle Hyperion Data Relationship Management by low-privileged attackers.
• Possible unauthorized access to sensitive data.
• Potential disruption of service or availability.

Technical summary

The vulnerability in Oracle Hyperion Data Relationship Management (component: Access and security) has a CVSS score of 7.5 and vector (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H). It allows a low-privileged attacker with network access via HTTP to compromise the product, potentially resulting in takeover of Oracle Hyperion Data Relationship Management. Defenders should prioritize verifying exposure and applying remediation, especially in environments where low-privileged access is common. The vulnerability affects version 11.2.26.0.000 of Oracle Hyperion Data Relationship Management.

Defensive priority

Defenders should prioritize verifying exposure and applying remediation for this vulnerability, especially in environments where low-privileged access is common.

Recommended defensive actions

• Verify if the vulnerable version 11.2.26.0.000 of Oracle Hyperion Data Relationship Management is in use.
• Apply vendor-provided patches or updates to address the vulnerability.
• Restrict network access to Oracle Hyperion Data Relationship Management to only necessary personnel.
• Monitor for suspicious activity or potential exploitation attempts.
• 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, including its CVSS score of 7.5 and vector (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H). The vulnerability affects version 11.2.26.0.000 of Oracle Hyperion Data Relationship Management. Defenders should verify exposure and apply remediation, especially in environments with low-privileged access. The CVE record was published on 2026-09-15T20:19:01.107Z 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.