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CVE-2026-73950 – Unauthenticated RCE / Full Compromise – Oracle Access Manager 12.2.1.4.0 and 14.1.2

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Summary

CVE-2026-73950 is a critical, remotely exploitable vulnerability in the Authentication Engine component of Oracle Access Manager, part of Oracle Fusion Middleware. The flaw allows an unauthenticated attacker with network access via HTTP to fully compromise the product, and Oracle rates it 9.8 (Critical) on the CVSS v3.1 scale.

Technical details

  • Root cause: The vulnerability resides in the Authentication Engine component of Oracle Access Manager.
  • Trigger conditions: Oracle describes the flaw as "easily exploitable," requiring no authentication and no user interaction.
  • Attack vector: Exploitation occurs over the network via HTTP, meaning any internet-exposed Oracle Access Manager endpoint is a potential target.
  • Impact: Successful exploitation can result in complete takeover of Oracle Access Manager, with high impact to confidentiality, integrity, and availability.

Affected software

  • Oracle Access Manager 12.2.1.4.0
  • Oracle Access Manager 14.1.2.1.0

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Apply the fix provided in Oracle’s Critical Patch Update (Security Alert) for September 2026, which addresses CVE-2026-73950 for Oracle Access Manager versions 12.2.1.4.0 and 14.1.2.1.0.
  • If patching cannot be applied immediately: Restrict network access to Oracle Access Manager management and authentication endpoints to trusted networks only, and monitor authentication logs for anomalous or unauthenticated access attempts until the patch can be deployed.

References

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