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Oracle IDM Connector EUVDEUVD-2026-106467

| CVE-2026-91212 HIGH
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-7gwc-x8h4-7vm7
8.6
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
    Reach Generic REST HTTP endpoint
  2. Delivery
    Send crafted unauthenticated request
  3. Exploit
    Bypass access controls on connector
  4. Execution
    Read critical connector-accessible data
  5. Impact
    Pivot into integrated downstream products

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

Requires network reachability to the Generic REST interface of Oracle Identity Manager Connector (versions 12.2.1.4.0 or 14.1.2.1.0); exploitation is unauthenticated (PR:N), needs no user interaction (UI:N), and works against standard deployments over HTTP. The principal limiting factor is network exposure: the connector's REST endpoint must be reachable by the attacker, so deployments that isolate the IAM tier behind strict network segmentation materially reduce exposure. Impact is confined to confidentiality (critical data disclosure), with no integrity or availability effect, though the scope change means disclosed access may extend to additional integrated products.

Impact

This is a genuine high-priority issue, not an inflated-CVSS artifact. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N, base 8.6) describes network-reachable, low-complexity, unauthenticated exploitation requiring no user interaction - the easiest possible exploitation profile - against an enterprise identity-management component. The scope change (S:C) and Oracle's own note that 'attacks may significantly impact additional products' are the most concerning signals: a confidentiality breach here can cascade beyond the connector into other identity-governed systems, which is especially dangerous in an IAM product that brokers access to many downstream applications. Impact is confidentiality-only (C:H, I:N, A:N), so this is a data-exposure flaw, not a tampering or denial-of-service flaw. Key signals are MISSING and must be stated plainly: no EPSS score was provided, so exploitation probability cannot be quantified; KEV status is not listed (treat as not actively exploited per CISA at this time); and no public POC is indicated. The 'Authentication Bypass' tag is consistent with PR:N but is not independently confirmed by the vendor text, which only states the attacker is unauthenticated. Net: prioritize patching via the referenced Oracle CPU due to the unauthenticated-network-plus-scope-change profile, while recognizing that real-world exploitation volume is unquantified absent EPSS/KEV/POC data.

Exploit ScenarioDerived

A remote, unauthenticated attacker sends crafted HTTP requests to the internet- or network-exposed Generic REST interface of Oracle Identity Manager Connector and retrieves critical data it can access. Because the flaw carries a scope change, the exposed data or access can extend into other Oracle Identity Manager-integrated products beyond the connector itself. No public exploit identified at time of analysis, so this scenario is derived from the CVSS vector rather than a demonstrated exploit.

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 – Oct 20, 2026

Unauthenticated network access to the Generic REST interface in Oracle Identity Manager Connector 12.2.1.4.0 and 14.1.2.1.0 can expose critical data, with a CVSS 3.1 score of 8.6 and a scope change that may extend disclosed access to additional integrated products. The flaw is remotely exploitable over HTTP without credentials or user interaction, but impact is limited to confidentiality, with no integrity or availability effect. No public exploit code was identified at time of analysis; the main exposure driver is whether the connector's REST endpoint is reachable by an attacker.

RemediationAI

Apply the fix from Oracle's October 2026 Critical Patch Update advisory (https://www.oracle.com/security-alerts/cpuoct2026.html) for Oracle Identity Manager Connector; the provided data identifies the affected versions but does not specify an exact patched build, so use the CPU's fixed version for 12.2.1.4.0 and 14.1.2.1.0. Until patched, reduce exposure by blocking or allowlisting access to the Generic REST endpoint at the network layer: restrict inbound HTTP to trusted integration hosts and segment the IAM tier from untrusted networks, accepting that this can break legitimate connector/provisioning flows and requires accurate host inventories. Disable any unused Generic REST endpoints or connector services where operationally possible, with the trade-off that dependent provisioning workflows will stop. Monitor HTTP logs for unauthorized or anomalous REST access, but treat monitoring as detection rather than prevention.

Affected VersionsENISA

Oracle Identity Manager Connector 12.2.1.4.0
Oracle Identity Manager Connector 14.1.2.1.0

Affected Packages

euvd oracle_identity_manager_connector 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 Identity Manager Connector is an integration component used to connect Oracle Identity Manager with target systems, and the affected Generic REST component exposes REST-over-HTTP integration functionality. The CVSS vector AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N describes a network-reachable, low-complexity, unauthenticated attack requiring no user interaction, with changed scope and high confidentiality impact only. No CWE is supplied, but the Authentication Bypass tag and PR:N scoring indicate a missing or bypassable authentication/authorization check on the Generic REST surface; the input does not provide CPE strings, so exact platform or build CPEs cannot be listed beyond the Oracle-stated versions. The scope change (S:C) means a successful attack against the connector may affect resources beyond the connector itself, such as integrated products.

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Severity by source

Vendor (oracle) PRIMARY 8.6 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
vuln.today AI 8.6 HIGH

Vendor description confirms unauthenticated HTTP exploitation (AV:N/PR:N/UI:N), low complexity, confidentiality-only impact, and cross-product scope change (S:C, C:H, I:N, A:N).

3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/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
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

DescriptionCVE.org

Vulnerability in the Oracle Identity Manager Connector product of Oracle Fusion Middleware (component: Generic REST). 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 HTTP to compromise Oracle Identity Manager Connector. While the vulnerability is in Oracle Identity Manager Connector, 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 Identity Manager Connector accessible data. CVSS 3.1 Base Score 8.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).

Executive ViewAI

Why It Matters

Oracle Identity Manager Connector 12.2.1.4.0 and 14.1.2.1.0 contain a high-severity (CVSS 8.6) data-exposure flaw in the Generic REST interface that can disclose critical identity data to anyone able to reach the endpoint, and the scope change means that exposure may extend to downstream integrated products. No vendor patch is currently available and no public exploit has been identified, so leadership's exposure is driven by network reachability of the connector rather than by active attack activity; identity data compromise is the primary organizational risk.

Business Impact: High
Compensating Controls

No vendor-released patch is available; restrict network access to the Generic REST interface in Oracle Identity Manager Connector 12.2.1.4.0 and 14.1.2.1.0 to trusted hosts through firewall rules or network segmentation, disable the interface where it is not operationally required, front it with an authenticating reverse proxy or WAF, and monitor the connector plus its integrated downstream products for anomalous or unexpected data access.

Threat Intelligence Overview

EPSS Score
0.3%
Top 78% exploitable
Prevalence
Medium
enterprise IAM connector, common in large orgs but not ubiquitous
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
Yes
Human Impact
High

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +43
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

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