CVE-2026-83407 Oracle Access Manager - Authentication Bypass

Oracle Access Manager 12.2.1.4.0 and 14.1.2.0.0 contain an authentication bypass vulnerability in the Authentication Engine, letting unauthenticated attackers with network access via HTTP gain unauthorized access and modify data, exploit requires network access.

CVSS base score 8.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Information Disclosure, Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Published
20 October 2026
Updated
21 October 2026

Vendor fix

Update to the latest available version of Oracle Access Manager.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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