CVE-2026-87188 Oracle CVE debrief

Who should care

Defenders responsible for Oracle Hyperion Financial Management instances should assess exposure and prioritize remediation due to the critical CVSS score and potential for takeover. This includes operators, platform administrators, vulnerability management teams, and security teams who need to evaluate the risk and apply necessary patches or mitigations.

Why it matters

CVE-2026-87188 is a critical vulnerability in Oracle Hyperion Financial Management that allows unauthenticated attackers to compromise the product, potentially leading to takeover. Defenders responsible for Oracle Hyperion Financial Management instances should assess exposure and prioritize remediation.

• Potential takeover of Oracle Hyperion Financial Management instances
• Compromise of confidentiality, integrity, and availability

Technical summary

The vulnerability is in the Security component of Oracle Hyperion Financial Management, version 11.2.26.0.000. It allows unauthenticated attackers with network access via HTTP to compromise the product, with potential impacts on confidentiality, integrity, and availability. The CVSS 3.1 Base Score is 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Defenders should review the CVE record, NVD detail page, and Oracle's vendor advisory for further information.

Defensive priority

High

Recommended defensive actions

• Review and apply Oracle's vendor advisory for CVE-2026-87188
• Assess exposure of Oracle Hyperion Financial Management instances
• Verify network access controls and HTTP restrictions
• 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 and NVD detail page provide information on the vulnerability, including its CVSS score and vector. Oracle has also provided a vendor advisory for this issue. The vulnerability is in the Security component of Oracle Hyperion Financial Management, version 11.2.26.0.000. The supported version that is affected is 11.2.26.0.000. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result

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.