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CVE-2026-87251

9.8 CRITICAL

Published 2026-10-20 · Updated 2026-10-21

AI risk analysis

Summary
Oracle Access Manager's Authentication Engine has a critical vulnerability that allows unauthenticated attackers to fully compromise the system via SAML, leading to complete takeover of the authentication service.
Exploitability
The vulnerability is easily exploitable with no authentication required, allowing attackers to access the system over the network through SAML protocols.
Blast radius
If exploited, this vulnerability could lead to full compromise of Oracle Access Manager, potentially affecting all users and applications relying on its authentication services.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Upgrade to Oracle Access Manager 12.2.1.4.0 or 14.1.2.1.0 to remediate this vulnerability.
samlauthenticationcritical

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

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. Easily exploitable vulnerability allows unauthenticated attacker with network access via SAML to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in takeover of Oracle Access Manager. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-287, CWE-306

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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