CVE-2026-83407
Reported by oracle · Published October 20, 2026
Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Access Manager accessible data as well as unauthorized update, insert or delete access to some of Oracle Access Manager accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Access Manager. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | Oracle Access Manager | 12.2.1.4.0, 14.1.2.0.0 |
| Oracle Corporation | Oracle Access Manager | 12.2.1.4.0, 14.1.2.0.0 |
| oracle | access_manager |
Timeline
- Oct 20, 2026 CVE Published
- Oct 21, 2026 EPSS Score (4 in total, the first dated here)
- Oct 21, 2026 Coalition ESS Score
- Oct 27, 2026 CVE Updated
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The same record, from the CLI:
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References
- Oracle Advisory vendor-advisory