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Dell OpenManage Enterprise EUVDEUVD-2026-113901

| CVE-2026-91917 HIGH
Improper Input Validation (CWE-20)
2026-10-30 dell GHSA-xjcq-5f57-crww
8.0
CVSS 3.1 · Vendor: dell
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Attack ChainAIDerived

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

  1. Access
    Gain adjacent-network foothold
  2. Delivery
    Authenticate with low-privileged account
  3. Exploit
    Submit crafted malformed input
  4. Execution
    Trigger improper input validation flaw
  5. Impact
    Execute arbitrary code on console

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Exploitation Conditions

Exploitation requires (1) network adjacency to the OpenManage Enterprise console - AV:A means the attacker must be on the same logical/physical adjacent network (e.g., the server management VLAN or an adjacent host), not the open internet - and (2) a pre-existing low-privileged authenticated session or account on the product (PR:L). No user interaction is needed (UI:N). The exact feature, endpoint, or input field that is improperly validated is not described in the available sources. Limiting factors that reduce real-world risk: the adjacent-network requirement (management interfaces are typically segmented), the need for valid low-level credentials, and the availability of a fixed release (4.8.0 and later). It affects OpenManage Enterprise versions prior to 4.8.0.

Impact

This is a credible, above-average priority issue but not a drop-everything emergency, which aligns with the vuln.today 'this_week' decision label. The CVSS 3.1 vector (AV:A/AC:L/PR:L/UI:N) describes an adjacent-network attack requiring low privileges (PR:L) and low complexity, with full high impact to confidentiality, integrity, and availability (C:H/I:H/A:H) under an unchanged scope, yielding 8.0 (High). The adjacent-network constraint (AV:A rather than AV:N) and the requirement for some existing low-level authentication meaningfully reduce the exposed attack surface compared with a remote unauthenticated RCE. No EPSS score, CISA KEV listing, or public exploit reference is present in the supplied data, so there is no 'no public exploit identified at time of analysis' and no evidence of active exploitation - the elevated concern rests on the vulnerability class (improper input validation leading to code execution on a management console) rather than on observed in-the-wild activity. A vendor patch (Dell DSA-2026-467) is available, which is the primary risk reducer. Net: treat as a prompt-but-scheduled remediation consistent with 'this_week', not an act_now/emergency item.

Exploit ScenarioDerived

An attacker who already holds a low-privileged account and sits on a network segment adjacent to the OpenManage Enterprise console (e.g., a management VLAN or compromised neighboring host) submits crafted, improperly validated input to the application. Because input validation is insufficient (CWE-20), this results in code execution on the management appliance. No public exploit code or PoC reference is present in the supplied data.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 30, 2026

Improper input validation in Dell OpenManage Enterprise versions prior to 4.8.0 allows an attacker who holds a low-privileged account and sits on an adjacent network to the appliance console to achieve code execution with high confidentiality and integrity impact. The CVSS vector (AV:A/AC:L/PR:L/UI:N) means the attacker must already be on the same management segment and authenticated at a low privilege level, but needs no user interaction and faces low attack complexity once those prerequisites are met. No public exploit code has been identified at time of analysis and the issue is not in CISA KEV, but Dell has released a fixed build (4.8.0 and later), so the practical risk is concentrated in unpatched management VLANs that permit low-privileged logins.

RemediationAI

Upgrade Dell OpenManage Enterprise to 4.8.0 or later - this is the vendor-released fix and the only complete remediation identified in the available data; see Dell advisory DSA-2026-467 at https://www.dell.com/support/kbdoc/en-us/000523220/dsa-2026-467-security-update-for-dell-openmanage-enterprise-vulnerabilities for the download and any sequencing notes for the appliance upgrade. Because the vector requires an adjacent-network position (AV:A) and a valid low-privileged account (PR:L), interim risk reduction centers on shrinking both preconditions until the upgrade window: restrict management-plane reachability so that only the administrative jump hosts and OME-to-iDRAC/OME-Modular flows that must reach the console can, blocking the console's management ports from user/desktop VLANs (trade-off: legitimate operators must route through the jump host); and audit and prune low-privileged OME accounts, enforcing least privilege and strong authentication for the remaining ones (trade-off: reduced self-service access for monitoring-only users). Neither control removes the defect, so neither substitutes for moving to 4.8.0.

Affected VersionsENISA

OpenManage Enterprise 0 <4.8.0 or later

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Technical ContextAI · show details

The root cause class is CWE-20, Improper Input Validation: OpenManage Enterprise accepts data through one of its interfaces without adequately validating it, and the supplied sources do not identify which feature, endpoint or input field is affected. The affected technology is Dell's OpenManage Enterprise virtual appliance, the centralized management console used for discovering, monitoring, updating and configuring Dell PowerEdge servers and related infrastructure through iDRAC/OME-Modular integration - CPE cpe:2.3:a:dell:openmanage_enterprise is flagged as affected for versions before 4.8.0. Because the console brokers credentials and firmware operations for the fleet it manages, a validation defect that yields code execution there has high value to an attacker: the assessed impact is C:H/I:H/A:H with scope unchanged. The CVSS metrics describe severity, not the trigger - nothing in the available sources states how the malformed input is delivered or what processing path it reaches - and the adjacent-network (AV:A) boundary plus the low-privilege prerequisite (PR:L) are the two gates the vector actually confirms. UI:N confirms no victim interaction is required beyond the attacker's own session.

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Severity by source

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

Adjacent management-network reach gives AV:A, a required low-privileged account gives PR:L, and code execution on the console justifies C:H/I:H/A:H with unchanged scope.

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

Primary rating from Vendor (dell).

CVSS VectorVendor: dell

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

Lifecycle Timeline

2
Patch available
Oct 30, 2026 - 13:01 EUVD
CVE Published
Oct 30, 2026 - 12:24 cve.org
HIGH 8.0

DescriptionCVE.org

Dell OpenManage Enterprise, versions prior to 4.8.0, contains an Improper Input Validation vulnerability. A low privileged attacker with adjacent network access could potentially exploit this vulnerability, leading to Code execution.

Executive ViewAI

Why It Matters

Dell OpenManage Enterprise, the tool used to manage servers and infrastructure, has a high-severity input validation flaw that lets someone with a low-privileged account on the management network execute code with high confidentiality and integrity impact. Leadership should care because an attacker who gains a foothold on the management segment could compromise the appliance that controls critical infrastructure, potentially leading to unauthorized code execution on the management platform and disruption of server operations. The vulnerability is fixed in version 4.8.0, but unpatched appliances on management VLANs remain at risk.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.3%
Top 82% exploitable
Prevalence
Medium
common Dell server management console, mainly in PowerEdge-based data centers
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 Yes
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
Scheduled
Exploitation
None
System Exposure· derived
Controlled
Automatable
No
Human Impact
High
Technical Impact
Total

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

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

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