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CVE-2026-61066 Oracle CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-18T21:16:54.043Z and has not been modified since then. The CVE-2026-61066 vulnerability is in the Oracle Identity Manager product of Oracle Fusion Middleware, specifically in the OIM Legacy UI component. Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. This easily exploitable vulnerability allows a low-privileged attacker with network access via RMI to compromise Oracle Identity Manager. While the vulnerability is in Oracle Identity Manager, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager. The CVSS 3.1 Base Score is 9.9, indicating a critical severity level, with impacts on Confidentiality, Integrity, and Availability. Organizations should prioritize patching this vulnerability as it can lead to a complete takeover of Oracle Identity Manager and impact additional products.

Vendor
Oracle
Product
Identity Manager
CVSS
CRITICAL 9.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-18
Original CVE updated
2026-08-21
Advisory published
2026-08-18
Advisory updated
2026-08-21

Who should care

Organizations using Oracle Identity Manager versions 12.2.1.4.0 and 14.1.2.1.0 should prioritize patching this vulnerability. Low-privileged attackers with network access via RMI can exploit this vulnerability, potentially leading to a complete takeover of Oracle Identity Manager and impacting additional products.

Technical summary

The CVE-2026-61066 vulnerability is in the Oracle Identity Manager product of Oracle Fusion Middleware, specifically in the OIM Legacy UI component. Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. This easily exploitable vulnerability allows a low-privileged attacker with network access via RMI to compromise Oracle Identity Manager. While the vulnerability is in Oracle Identity Manager, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager. The CVSS 3.1 Base Score is 9.9, indicating a critical severity level, with impacts on Confidentiality, Integrity, and Availability.

Defensive priority

Oracle Identity Manager vulnerability with critical CVSS score 9.9 allows low-privileged attackers to compromise the system via RMI, potentially impacting additional products.

Recommended defensive actions

  • Inventory Oracle Identity Manager instances for versions 12.2.1.4.0 and 14.1.2.1.0
  • Apply vendor patches or updates as recommended by Oracle
  • Monitor RMI access and restrict as necessary
  • Review and update network access controls for Oracle Identity Manager
  • Consider compensating controls for impacted products

Evidence notes

The CVE-2026-61066 vulnerability affects Oracle Identity Manager versions 12.2.1.4.0 and 14.1.2.1.0, with a CVSS score of 9.9, indicating critical severity. The vulnerability is in the OIM Legacy UI component of Oracle Fusion Middleware. Low-privileged attackers with network access via RMI can exploit this vulnerability. Evidence is based on the official CVE record and NVD detail page. Defenders should verify the affected product deployments in their managed environments and review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-18T21:16:54.043Z and has not been modified since then.