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GoldenGate Management Pack EUVDEUVD-2026-106754

| CVE-2026-91517 HIGH
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-hccf-r3c5-747w
8.0
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
    Gain access to adjacent network segment
  2. Delivery
    Stage crafted payload on the segment
  3. Exploit
    Operator triggers interaction (UI:R)
  4. Execution
    Exploit EM Plugin flaw
  5. Impact
    Full takeover of GoldenGate Management Pack

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 the attacker to have access to the physical/logical communication segment attached to the hardware running Oracle Management Pack for Oracle GoldenGate (CVSS AV:A - adjacent, not remote/internet-routable); it cannot be launched across arbitrary network boundaries. It additionally requires human interaction from a person other than the attacker (UI:R) - a legitimate operator must perform some action for the attack to succeed. No authentication is needed (PR:N) and complexity is low (AC:L). Affected deployments are Oracle Management Pack for Oracle GoldenGate (EM Plugin component) versions 13.4.1.0.1 through 13.5.2.0.6; versions outside this range or the fixed October 2026 CPU release are not exposed. The adjacency and user-interaction requirements are the primary limiting factors reducing realistic exploitability relative to the raw 8.0 score.

Impact

This is a genuinely serious flaw (CVSS 3.1 8.0, HIGH) but not an automatic emergency, and the signals point to constrained rather than mass exploitation. The vendor-supplied vector (AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) shows an adjacent-network, low-complexity, unauthenticated attack yielding full confidentiality, integrity and availability loss ('takeover') - but two factors materially cap real-world risk: AV:A means the attacker must already be on the same physical/logical communication segment as the host running Oracle Management Pack for Oracle GoldenGate (not routable across the internet), and UI:R means a human other than the attacker must be induced to act. There is NO EPSS score, NO CISA KEV listing, and NO public exploit referenced in the input, so exploitation status is 'no public exploit identified at time of analysis.' No SSVC decision data was provided. A notable conflict: the only impact Tag supplied is 'Information Disclosure,' yet the CVSS vector and description assert full I:H/A:H takeover - the impact is understated by that tag; treat this as a full-compromise issue, not merely disclosure. Net: a real priority for environments where the GoldenGate management host shares a segment with untrusted or user-operated systems, but the adjacency + user-interaction requirements make it a targeted/insider-adjacent risk rather than a wormable internet-facing one.

Exploit ScenarioDerived

An attacker positioned on the same network segment as the Oracle Management Pack for Oracle GoldenGate (EM Plugin) host - for example via a compromised adjacent server or a malicious device on the management VLAN - stages a crafted payload and waits for or lures a legitimate operator into an action that triggers it (UI:R). Because the attack is low-complexity and unauthenticated, successful interaction leads to full takeover of the Management Pack with high confidentiality, integrity, and availability impact. No public proof-of-concept is referenced in the available data.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 20, 2026

Adjacent-network attackers can achieve takeover of Oracle Management Pack for Oracle GoldenGate (EM Plugin) versions 13.4.1.0.1 through 13.5.2.0.6, with high confidentiality, integrity, and availability impact, provided they can reach the communication segment attached to the host and a legitimate operator performs a required interaction. No authentication is required and attack complexity is low, but the AV:A and UI:R requirements sharply limit exposure compared with an internet-reachable flaw. The supplied intelligence contains no public exploit code and no CISA KEV entry, so there is no public exploit identified at time of analysis.

RemediationAI

Patch available per vendor advisory: apply the Oracle October 2026 Critical Patch Update referenced at https://www.oracle.com/security-alerts/cpuoct2026.html; the supplied data does not state an exact fixed build number, so confirm the corrected release in the advisory before closing the finding. If the plugin cannot be patched immediately, place the Oracle Management Pack host and its EM Plugin communication path on a dedicated management VLAN/segment and restrict adjacency to known Enterprise Manager and GoldenGate administration hosts-this reduces AV:A exposure but can break distributed monitoring and cross-segment discovery. Where the EM Plugin is not required, disable or uninstall it to remove the takeover surface, accepting loss of management-pack visibility, and enforce operator awareness because UI:R means a legitimate user action is part of the exploit chain. No public exploit is identified in the supplied intelligence, but the advisory and version inventory should still be used to prioritize exposed 13.4.1.0.1-13.5.2.0.6 deployments.

Affected VersionsENISA

Oracle Management Pack for Oracle GoldenGate 13.4.1.0.1 ≤13.5.2.0.6

Affected Packages

euvd oracle_management_pack_for_oracle_goldengate 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 Management Pack for Oracle GoldenGate is an Enterprise Manager plugin used to monitor and manage GoldenGate replication, and the affected component is EM Plugin. The assessed CVSS 3.1 vector AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H describes an adjacent-network, low-complexity, unauthenticated attack that requires a non-attacker user to interact and results in total loss of confidentiality, integrity, and availability within the management pack's scope. No CWE is assigned in the supplied data, so the exact defect class is not confirmed; Oracle's advisory characterizes it as easily exploitable and leading to takeover. Although a supplied tag mentions Information Disclosure, the vector's C:H/I:H/A:H impact indicates takeover rather than disclosure-only, and no CPE strings were supplied, so affected-asset identification relies on Oracle's version range and the October 2026 CPU reference.

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Severity by source

Vendor (oracle) PRIMARY 8.0 HIGH
AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vuln.today AI 8.0 HIGH

AV:A because attacker must be on the host's communication segment; AC:L and PR:N per the description's 'easily exploitable, unauthenticated'; UI:R as a separate human must act; full C/I/A:H for stated takeover.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle Management Pack for Oracle GoldenGate product of Oracle GoldenGate (component: EM Plugin). Supported versions that are affected are 13.4.1.0.1-13.5.2.0.6. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Management Pack for Oracle GoldenGate executes to compromise Oracle Management Pack for Oracle GoldenGate. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Oracle Management Pack for Oracle GoldenGate. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

A high-severity flaw in Oracle Management Pack for Oracle GoldenGate (EM Plugin) versions 13.4.1.0.1 through 13.5.2.0.6 creates a takeover risk for the management plane that oversees GoldenGate data replication. The exposure is limited to internal network segments adjacent to the host and requires a legitimate operator action, so practical risk is concentrated in environments where that segment is broadly reachable. Leadership should prioritize this because a takeover could allow unauthorized changes or disruption to a critical data integration service, even though no public exploit has been identified at time of analysis.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; interim mitigations include network segmentation to isolate the affected communication segment, restricting adjacent-network access to the host, enabling enhanced monitoring of operator interactions, and disabling the EM Plugin where it is not operationally required.

Threat Intelligence Overview

EPSS Score
0.2%
Top 92% exploitable
Prevalence
Low
niche licensed Oracle EM add-on for enterprise GoldenGate replication monitoring
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 0.2%
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
Controlled
Automatable· derived
No
Human Impact
High

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +40
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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