EUVD-2026-79301
GHSA-6w58-576w-wwgv
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor-confirmed unauthenticated remote HTTP takeover of the authentication component with full C/I/A loss; no scope change asserted, so S:U and full-triad impact retained.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
3DescriptionCVE.org
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 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).
AnalysisAI
Authentication bypass in Oracle Access Manager 12.2.1.4.0 and 14.1.2.0.0 lets an unauthenticated, network-positioned attacker take over the affected Access Manager instance, rated CVSS 3.1 9.8 (CWE-287, Improper Authentication) with high confidentiality, integrity, and availability impact. The vulnerable component is the Authentication Engine itself, and the vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) confirms no credentials, privileges, or user interaction are required, so any HTTP-reachable OAM deployment of those two versions is a candidate entry point. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to the Oracle Access Manager Authentication Engine over HTTP; per the vendor CVSS vector (AV:N/AC:L/PR:N/UI:N) no authentication, no special privileges, and no user interaction are needed against affected versions 12.2.1.4.0 and 14.1.2.0.0. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority issue, not a high-CVSS-but-low-risk artifact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the fix from Oracle's Critical Security Patch Update advisory (https://www.oracle.com/security-alerts/cspusep2026.html), which addresses CVE-2026-73947 for Oracle Access Manager 12.2.1.4.0 and 14.1.2.0.0; the specific patched bundle or release identifier is not enumerated in the provided data, so consult that advisory directly for the exact patched artifact and patch it as the primary, definitive remediation (patch status: available per vendor advisory). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Oracle Access Manager instances to identify versions 12.2.1.4.0 and 14.1.2.0.0, and for any internet-exposed instances, immediately restrict network access (e.g., firewall rules, VPN-only) and enable detailed authentication logging. …
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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