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Access Manager CVE-2026-73926

| EUVDEUVD-2026-79518 HIGH
Improper Access Control (CWE-284)
2026-09-15 secalert_us@oracle.com GHSA-45gw-qqgv-rv69
Authentication Bypass Oracle Access Manager
8.7
CVSS 3.1 · Vendor: oracle
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Vulnerability Assessment

Weakness
CWE
CWE-284
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

Oracle Access Manager versions 12.2.1.4.0 and 14.1.2.1.0 contain a flaw in the Authentication Engine component that lets a high-privileged, network-positioned attacker read, create, delete, or modify data managed by the OAM deployment — and because the flaw crosses a security scope boundary, downstream applications that trust OAM for identity can be affected as well. The CVSS 3.1 base score is 8.7 (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N), reflecting an easily triggered but credentialed attack with high confidentiality and integrity impact and no availability impact. No public exploit code, EPSS score, or CISA KEV listing is present in the supplied intelligence, so it is treated as not yet publicly exploited at time of analysis; Oracle ships fixes through its Critical Patch Update / Security Alert program referenced in the advisory link.

Affected VersionsENISA

Oracle Access Manager 14.1.2.1.0
Oracle Access Manager 12.2.1.4.0

Affected Packages

euvd oracle_access_manager no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (oracle) PRIMARY 8.7 HIGH
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Primary rating from Vendor (oracle) · only source for this CVE.

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

DescriptionCVE.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 14.1.2.1.0. Easily exploitable vulnerability allows high privileged 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:L/PR:H/UI:N/S:C/C:H/I:H/A:N).

Threat Intelligence Overview

EPSS Score
0.3%
Top 78% exploitable
Data Quality
4 sources
Confidence: Medium
EUVD NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching,CacheStore,Invocation). Ra
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Authentication bypass in Oracle Access Manager 12.2.1.4.0 and 14.1.2.1.0 lets an unauthenticated remote attacker with HT
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There is a time-based blind SQL injection vulnerability in the Access Manager component before 9.18.040 and 10.x before

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Vulnerability in the Oracle Access Manager component of Oracle Fusion Middleware (subcomponent: Authentication Engine).

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In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "/
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Remote unauthenticated compromise of Oracle Access Manager (Fusion Middleware Authentication Engine) in supported versio
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9.8 Mar 23

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CVE-2014-9412 MEDIUM POC
4.3 Dec 23

Multiple cross-site scripting (XSS) vulnerabilities in NetIQ Access Manager (NAM) 4.x before 4.1 allow remote attackers

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Privilege escalation to full takeover in Oracle Access Manager (Fusion Middleware) 12.2.1.4.0 and 14.1.2.1.0 allows a lo

Same weakness CWE-284 – Improper Access Control

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CVE-2015-3306 CRITICAL POC
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CVE-2012-4681 CRITICAL POC
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CVE-2011-3544 CRITICAL POC
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CVE-2012-1723 CRITICAL POC
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CVE-2012-5076 CRITICAL POC
9.8
CVE-2014-3120 HIGH POC
8.1
CVE-2013-2423 LOW POC
3.7
CVE-2016-3427 CRITICAL
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Same technique Authentication Bypass

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CVE-2023-22515 CRITICAL POC
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CVE-2013-2465 CRITICAL POC
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CVE-2022-40684 CRITICAL POC
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CVE-2025-61882 CRITICAL POC
9.8
CVE-2024-0012 CRITICAL POC
9.3

References

Advisories & patches
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-73926 REF https://www.oracle.com/security-alerts/cspusep2026.html

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