CVE-2026-91493 Oracle Corporation CVE debrief

Who should care

Defenders responsible for Oracle Identity Manager Connector deployments should assess potential exposure and data access risks. They should prioritize verifying exposure, assessing potential data access risks, and implementing compensating controls. Defenders should also monitor for suspicious LDAP activity to detect potential attacks and review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

CVE-2026-91493 is a high-severity vulnerability in Oracle Identity Manager Connector's LDAP Gateway component, allowing unauthenticated network attackers to access critical data. Defenders should prioritize verifying exposure, assessing potential data access risks, and implementing compensating controls.

• Verify exposure and assess potential data access risks in Oracle Identity Manager Connector deployments
• Implement compensating controls to mitigate potential data breaches
• Monitor for suspicious LDAP activity to detect potential attacks

Technical summary

The vulnerability in Oracle Identity Manager Connector's LDAP Gateway component allows unauthenticated network attackers to access critical data. Affected versions are 12.2.1.4.0 and 14.1.2.1.0. The CVSS 3.1 Base Score is 7.5, indicating high severity. The vulnerability can result in unauthorized access to critical data or complete access to all Oracle Identity Manager Connector accessible data. Defenders should prioritize verifying exposure and assessing potential data access risks in Oracle Identity Manager Connector deployments.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential data access risks in Oracle Identity Manager Connector deployments.

Recommended defensive actions

• Verify Oracle Identity Manager Connector version and check for exposure
• Assess potential data access risks and implement compensating controls if necessary
• Monitor for suspicious LDAP activity and implement additional security measures
• 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, affected versions, and CVSS score. Oracle's security alert documentation is also available. The vulnerability allows unauthenticated attackers with network access via LDAP to compromise Oracle Identity Manager Connector. Successful attacks can result in unauthorized access to critical data or complete access to all Oracle Identity Manager Connector accessible data. The CVSS 3.1 Base Score is 7.5, indicating high severity. Defenders should verify exposure, assess data

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.