CVE-2026-83426
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 14.1.2.1.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. While the vulnerability is in Oracle Access Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Access Manager accessible data as well as unauthorized access to critical data or complete access to all Oracle Access Manager accessible data. CVSS 3.1 Base Score 8.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N).
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | Oracle Access Manager | 12.2.1.4.0, 14.1.2.1.0 |
| oracle | access_manager | |
| Oracle Corporation | Oracle Access Manager | 12.2.1.4.0, 14.1.2.1.0 |
Timeline
- Oct 20, 2026 CVE Published
- Oct 21, 2026 EPSS Score (4 in total, the first dated here)
- Oct 21, 2026 Coalition ESS Score
- Nov 4, 2026 CVE Updated
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The same record, from the CLI:
vulnetix vdb vuln CVE-2026-83426
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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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References
- Oracle Advisory vendor-advisory