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Oracle Unified Directory CVE-2026-60969

| EUVDEUVD-2026-61283 HIGH
Information Exposure (CWE-200)
2026-08-18 secalert_us@oracle.com GHSA-68x6-fg92-cfcx
7.7
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 LDAP credentials
  2. Delivery
    Connect to OUD LDAP service (TCP 389/636)
  3. Exploit
    Send crafted authorization-bypass LDAP queries
  4. Execution
    Access restricted directory entries and attributes
  5. Persist
    Exfiltrate sensitive identity or privileged-account data
  6. Impact
    Pivot to integrated Fusion Middleware components via harvested credentials

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

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

Exploitation Conditions

Exploitation requires: (1) a valid low-privileged LDAP credential for the target OUD instance, confirmed by the CVSS PR:L metric - unauthenticated external attackers cannot exploit this directly without first obtaining an account through other means; (2) network access to the OUD LDAP service endpoint (AV:N), typically TCP port 389 or 636, which may be exposed internally or, in misconfigured deployments, externally; (3) one of the two confirmed vulnerable versions: 12.2.1.4.0 or 14.1.2.1.0. Attack complexity is low (AC:L), indicating the bypass is reliable and does not require race conditions or environmental prerequisites beyond the above. No user interaction is required (UI:N). Scope change impact on additional Fusion Middleware products is conditional on whether those products are integrated with and actively consume identity data from the affected OUD instance - isolated OUD deployments are not subject to scope escalation.

Impact

The CVSS 3.1 score of 7.7 (High) accurately reflects meaningful real-world risk: the attack vector is network-based LDAP (AV:N), complexity is low (AC:L), no user interaction is required (UI:N), and the scope change (S:C) amplifies organizational impact in integrated Oracle environments. The PR:L requirement is the primary limiting factor - exploitation demands at least a low-privileged LDAP credential, which raises the bar above pure unauthenticated exposure. However, the 'Authentication Bypass' tag suggests that once a minimal credential is obtained, the attacker's effective access significantly exceeds their authorization level. No EPSS score was provided in the available intelligence, and this CVE is not listed in CISA KEV, indicating no confirmed widespread active exploitation at time of analysis. The absence of a public exploit code further tempers immediate urgency. Risk priority is HIGH for organizations running Oracle Fusion Middleware with OUD as an identity backbone (where scope change can propagate laterally), and MEDIUM for standalone OUD deployments with limited integration.

Exploit ScenarioDerived

An attacker possessing a low-privileged LDAP service account - obtained through credential stuffing, phishing, or internal access - connects to the OUD LDAP endpoint over the network and sends crafted LDAP queries that trigger the authorization bypass in OUD Core. The attacker retrieves restricted directory attributes, including sensitive identity data, credentials, or group memberships belonging to privileged accounts, and may then leverage this data to pivot into integrated Oracle Fusion Middleware components such as Oracle Access Manager that trust OUD as an authoritative identity source. No public exploit code has been identified at time of analysis.

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 – Aug 19, 2026

Oracle Unified Directory (OUD) versions 12.2.1.4.0 and 14.1.2.1.0 expose a network-accessible LDAP authorization bypass that enables a low-privileged authenticated attacker to gain unauthorized access to critical or complete directory data. Intelligence sources tag this as an authentication bypass in the OUD Core component, with confirmed scope change impact on additional Oracle Fusion Middleware products consuming OUD identity data. No active exploitation confirmed at time of analysis and no public exploit code has been identified; however, the low attack complexity and network accessibility make this a credible priority for Oracle Fusion Middleware environments.

RemediationAI

Apply the patches released in Oracle's August 2026 Critical Patch Update (CPU), available at https://www.oracle.com/security-alerts/cspuaug2026.html, targeting Oracle Unified Directory versions 12.2.1.4.0 and 14.1.2.1.0. Oracle CPU patches are cumulative; applying the latest CPU is the recommended primary remediation. Exact patched version numbers are not independently confirmed from available data - consult the CPU advisory directly for release identifiers. If immediate patching is not feasible, implement network-level controls to restrict LDAP access (TCP 389/636) to the OUD service to only explicitly authorized internal hosts and service accounts, reducing exposure to the AV:N attack vector. Additionally, audit and tighten existing OUD access control lists to enforce least-privilege, ensuring low-privileged accounts cannot query directory entries or attributes beyond their operational need - note that ACL changes carry operational risk if LDAP consumers depend on broad read permissions and should be tested before production deployment. Enable and review OUD audit logging for anomalous data access patterns by low-privileged accounts as a compensating detective control while the patch is scheduled.

Affected VersionsENISA

Oracle Unified Directory 12.2.1.4.0
Oracle Unified Directory 14.1.2.1.0

Affected Packages

euvd oracle_unified_directory 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 Unified Directory is Oracle's enterprise-grade LDAP-compliant directory service, a core component of Oracle Fusion Middleware used for identity management, authentication brokering, and directory services. The vulnerability resides in the OUD Core component and is reachable via LDAP (Lightweight Directory Access Protocol), typically operating on TCP 389 (cleartext) or 636 (LDAPS). The intelligence tag 'Authentication Bypass' indicates that a low-privileged principal can circumvent directory access control lists or authorization enforcement logic - exceeding their assigned permissions to read restricted entries or attributes. No CWE identifier was assigned by NVD or Oracle, but the confidentiality-only impact profile (C:H, I:N, A:N) and bypass characterization are consistent with an improper authorization flaw (CWE-285 or CWE-284 family). The CVSS scope change (S:C) indicates that other Fusion Middleware components federated against OUD - such as Oracle Access Manager or Oracle Identity Governance - may also be affected through trust relationships with the compromised directory.

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Severity by source

Vendor (oracle) PRIMARY 7.7 HIGH
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
vuln.today AI 7.7 HIGH

Vendor-provided vector is well-supported: LDAP network access, low complexity, low-privilege credential required, no interaction, scope change to integrated Fusion Middleware components, confidentiality-only impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/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
Changed
Confidentiality
High
Integrity
None
Availability
None

DescriptionCVE.org

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). 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 LDAP to compromise Oracle Unified Directory. While the vulnerability is in Oracle Unified Directory, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Unified Directory accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).

Executive ViewAI

Why It Matters

Oracle Unified Directory versions 12.2.1.4.0 and 14.1.2.1.0 contain an LDAP authorization bypass enabling authenticated users to access sensitive identity data and potentially compromise dependent Oracle Fusion Middleware applications. Organizations running these versions face immediate risk of directory data exposure and lateral movement through enterprise identity infrastructure. This affects any organization using OUD for authentication and identity management in Fusion Middleware environments.

Business Impact: High
Compensating Controls

Restrict LDAP network access to OUD via firewall rules and network segmentation-limit connections to authorized application servers and administrative hosts only. Disable or restrict low-privilege accounts to minimize authentication paths to the vulnerability. Enable LDAP audit logging and implement continuous monitoring for anomalous access patterns, unusual query volumes, or data extraction attempts. Enforce multi-factor authentication for all OUD administrative access. If feasible, deploy OUD instances in network segments isolated from general corporate networks and require VPN or secure channels for administrative connectivity.

Threat Intelligence Overview

EPSS Score
0.3%
Top 81% exploitable
Prevalence
Low
enterprise Oracle Fusion Middleware product, limited to Oracle-stack 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 0.3%
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
High

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
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.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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