CVE-2026-91358 Oracle Corporation CVE debrief

Who should care

Defenders responsible for Oracle Business Process Management Suite instances, particularly those using versions 12.2.1.4.0 and 14.1.2.0.0, should assess exposure and prioritize verification and potential remediation.

Why it matters

Defenders should prioritize verifying exposure of Oracle Business Process Management Suite instances, particularly versions 12.2.1.4.0 and 14.1.2.0.0, and assess the need for patches or compensating controls due to a high-severity vulnerability allowing unauthorized access to critical data and potential updates to accessible data.

• Potential unauthorized access to critical data
• Potential unauthorized updates to Oracle Business Process Management Suite accessible data
• Need for verification of exposure and potential remediation
• Possible impact on confidentiality and integrity

Technical summary

A vulnerability in the Oracle Business Process Management Suite product of Oracle Fusion Middleware (component: Case management Service (11g+)) allows an unauthenticated attacker with network access via HTTP to compromise Oracle Business Process Management Suite. Successful attacks can result in unauthorized access to critical data or complete access to all Oracle Business Process Management Suite accessible data as well as unauthorized update, insert or delete access to some of Oracle Business Process Management Suite accessible data.

Defensive priority

Defenders should prioritize verifying exposure of Oracle Business Process Management Suite instances, particularly versions 12.2.1.4.0 and 14.1.2.0.0, and assess the need for patches or compensating controls.

Recommended defensive actions

• Verify exposure of Oracle Business Process Management Suite instances, particularly versions 12.2.1.4.0 and 14.1.2.0.0
• Assess the need for patches or compensating controls
• Monitor for potential unauthorized access to critical data or updates to Oracle Business Process Management Suite accessible data
• 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 entry provide details on the vulnerability in Oracle Business Process Management Suite. However, the corpus does not establish evidence of exploitation or specific victims. The vulnerability affects versions 12.2.1.4.0 and 14.1.2.0.0 of Oracle Business Process Management Suite. Defenders should verify exposure and assess the need for patches or compensating controls. The CVE record has not been modified since its publication on 2026-10-20T22:20:38.527Z.

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.