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Oracle Access Manager CVE-2026-60726

| EUVDEUVD-2026-61408 HIGH
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-4w4j-w66x-frgc
8.8
CVSS 3.1 · Vendor: oracle
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain low-privilege OAM account credentials
  2. Delivery
    Identify network-accessible Authentication Engine HTTP endpoint
  3. Exploit
    Send crafted HTTP authentication request
  4. Execution
    Exploit authentication flaw in engine processing
  5. Impact
    Achieve full Oracle Access Manager system takeover

Vulnerability Assessment

Weakness
CWE
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.

Exploitation Conditions

Exploitation requires a valid low-privilege credential on the target Oracle Access Manager instance and direct network reachability to the Authentication Engine over HTTP. The CVSS vector (PR:L) confirms that some level of authentication is necessary - fully unauthenticated exploitation is not indicated by the available data. No user interaction is required (UI:N) and attack complexity is low (AC:L), meaning exploitation does not depend on race conditions, specific timing, or secondary system states. Exploitation is bounded by: possession of a valid low-privilege OAM account or credential; network-level access to the OAM HTTP authentication endpoint on versions 12.2.1.4.0 or 14.1.2.1.0 specifically; and the absence of compensating network controls. Non-default hardening such as IP allowlisting, WAF rules blocking anomalous authentication payloads, or network segmentation isolating OAM from untrusted hosts would materially limit exploitation. The specific Authentication Engine feature, endpoint path, or protocol operation being abused is not disclosed in publicly available advisory data.

Impact

The CVSS 3.1 score of 8.8 reflects a network-accessible (AV:N), low-complexity (AC:L) attack requiring only low privileges (PR:L) and no user interaction (UI:N), with full confidentiality, integrity, and availability compromise at the target - effectively complete takeover of the OAM instance. All three impact dimensions are rated High (C:H/I:H/A:H), and Oracle's own advisory language ('easily exploitable') reinforces that exploitation does not rely on favorable race conditions or complex environmental prerequisites. No EPSS score was available in the provided intelligence data, preventing a probabilistic exploitation likelihood comparison. The vulnerability is not listed in the CISA KEV catalog, indicating that broad active exploitation has not been observed or confirmed by US federal authorities as of analysis time - this meaningfully reduces urgency compared to a KEV-listed flaw, but does not eliminate it. Even a mid-sized municipal IT team in legnica running Oracle Fusion Middleware in a hybrid SSO deployment should treat this as urgent given that low-complexity network exploitation with only a low-privilege credential could grant full control of the identity fabric. The absence of a public POC further moderates near-term risk, though Oracle's historical exploitation timelines after CPU publication suggest this window is narrow. No conflicting signals were detected between the CVSS vector and the description text - both consistently indicate a network-reachable, low-bar authenticated attack.

Exploit ScenarioDerived

An attacker holding a low-privilege account - such as a standard application service account or domain user - sends a crafted HTTP request to the Oracle Access Manager Authentication Engine endpoint. By exploiting the undisclosed flaw in authentication processing, the attacker bypasses expected authorization controls and gains full administrative control over the OAM instance, enabling impersonation of arbitrary users, manipulation of access policies, and disruption of authentication services. No public proof-of-concept code has been identified at time of analysis, meaning this scenario remains theoretical until exploitation evidence emerges.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 18, 2026

Remote network compromise of Oracle Access Manager versions 12.2.1.4.0 and 14.1.2.1.0 enables a low-privileged authenticated attacker to achieve full system takeover via the Authentication Engine over HTTP, with no user interaction required. Oracle's August 2026 Critical Patch Update advisory rates this CVSS 8.8 (High) and explicitly describes it as 'easily exploitable,' with complete confidentiality, integrity, and availability impact. No public exploit code or active exploitation has been identified at time of analysis, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog.

RemediationAI

Apply Oracle's August 2026 Critical Patch Update, documented at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses CVE-2026-60726 in Oracle Access Manager for both affected versions 12.2.1.4.0 and 14.1.2.1.0. No specific patched sub-version number beyond the CPU release was provided in the available advisory data. If immediate CPU application is not feasible, restrict network access to Oracle Access Manager's Authentication Engine HTTP endpoints to trusted IP ranges or enforce VPN-only access, effectively raising the attacker's access bar; note this may interrupt legitimate remote SSO flows and should be coordinated with application owners. Enforce HTTPS exclusively where possible to reduce plaintext HTTP exposure, though this addresses transport rather than the underlying flaw. Audit low-privilege accounts with network access to the OAM environment and temporarily tighten account provisioning to reduce the pool of credentials that could be leveraged. Enable and monitor Authentication Engine access logs for anomalous authentication patterns - repeated low-volume attempts from unexpected sources or unusual session token issuance - as a detective compensating control until the patch is applied.

Affected VersionsENISA

Oracle Access Manager 12.2.1.4.0
Oracle Access Manager 14.1.2.1.0

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.

Technical ContextAI · show details

Oracle Access Manager (OAM) is an enterprise identity and access management platform within the Oracle Fusion Middleware stack, providing single sign-on, multi-factor authentication, session management, and centralized access policy enforcement for web applications. The vulnerable component is the Authentication Engine - the core subsystem responsible for processing credential submissions, issuing session tokens, and enforcing authentication policies. Affected versions are 12.2.1.4.0 and 14.1.2.1.0. No CWE identifier was assigned in the advisory or NVD record, leaving the precise root cause class (such as authentication bypass, improper authorization check, or input validation failure) unconfirmed from public sources. The exploitation vector is HTTP over the network, indicating the Authentication Engine exposes a network-accessible endpoint that processes attacker-controlled input - the specific endpoint or protocol feature targeted is not publicly disclosed. The 'easily exploitable' characterization from Oracle's advisory text, combined with AC:L and PR:L in the CVSS vector, suggests the flaw does not require complex preconditions beyond holding a valid low-privilege credential and network reachability.

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Severity by source

Vendor (oracle) PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 8.8 HIGH

Network-accessible HTTP endpoint requires only low-privilege credentials and no user interaction; full takeover impact across C/I/A with unchanged scope aligns with the description.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

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 low privileged 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 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

Oracle Access Manager versions 12.2.1.4.0 and 14.1.2.1.0 contain a critical remote code execution vulnerability (CVSS 8.8) that permits low-privileged authenticated users to achieve complete system compromise. Organizations deploying these versions risk exposure of authentication tokens, user data, and infrastructure access credentials that attackers can leverage for lateral movement and data exfiltration. Immediate action is required to inventory affected systems and implement access restrictions.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Restrict Oracle Access Manager service access to administrators only through network access controls and firewall rules; implement network segmentation to isolate affected systems; deploy real-time alerting on authentication service anomalies and privilege escalation attempts; maintain enhanced logging of all access attempts for forensic analysis; and prioritize rapid evaluation of patched versions or alternative identity platforms.

Threat Intelligence Overview

EPSS Score
0.4%
Top 63% exploitable
Prevalence
Medium
enterprise IAM platform, common in large Oracle Fusion Middleware deployments
Data Quality
4 sources
Confidence: Medium

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 0.4%
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
High

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

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