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Dell OpenManage Enterprise EUVDEUVD-2026-115143

| CVE-2026-91906 MEDIUM
Incorrect Permission Assignment for Critical Resource (CWE-732)
2026-11-02 dell GHSA-w5x9-p9fc-7prg
5.5
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
    Obtain low-privileged local access to OME host
  2. Exploit
    Access incorrectly-permissioned critical resource
  3. Execution
    Bypass protection mechanism
  4. Impact
    Read sensitive management data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V13 - Configuration Permission assignment review
Exploitation Conditions

Exploitation requires local access to the host running Dell OpenManage Enterprise plus existing low-privileged credentials on that system (CVSS PR:L), targeting versions prior to 4.8.0. The incorrect permission assignment (CWE-732) lets such a user bypass a protection mechanism to access a critical resource; the exact resource and the specific protection bypassed are not described in the available sources. Limiting factors: no remote network vector (AV:L), the attacker must already be authenticated on the host at low privilege, and impact is confined to confidentiality (I:N/A:N) with no scope change (S:U). Upgrading to version 4.8.0 per Dell DSA-2026-467 remediates it.

Impact

This is a moderate-severity, local-access issue that should be patched on a normal cycle rather than treated as an emergency. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, base 5.5) describes a flaw requiring local access and existing low-level privileges (PR:L), with no user interaction and impact limited to confidentiality (C:H; I:N/A:N). The vuln.today decision label is 'this_month', consistent with a real but non-urgent priority. There is no EPSS score, no CISA KEV listing, and no public exploit or PoC reference in the supplied data, so there is no evidence of active or imminent exploitation. The main tension in the data is the 'Authentication Bypass' tag versus the actual weakness: the description and CWE-732 (Incorrect Permission Assignment for Critical Resource) describe a protection-mechanism bypass by an already-authenticated low-privileged local user, not a true pre-authentication bypass - the tag overstates the access gained. Net: a legitimate confidentiality risk for insiders/foothold-holders on the management host, but not a high-real-risk internet-facing threat.

Exploit ScenarioDerived

A user who already has low-privileged local access to the host running Dell OpenManage Enterprise abuses incorrect permissions on a critical resource to bypass a protection mechanism and read sensitive data they should not be able to access. No user interaction or additional privilege is required beyond the initial low-privileged local foothold. No public exploit code or PoC was identified in the available sources.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
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AnalysisAIv1 – Nov 02, 2026

Dell OpenManage Enterprise versions prior to 4.8.0 ship with an incorrect permission assignment on a critical resource (CWE-732), allowing a low-privileged local user to bypass a protection mechanism and read data they should not be able to reach. The assessed vector is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (5.5), so exploitation requires local access to the host plus existing low-privileged credentials, and the result is a confidentiality impact only - no integrity or availability effect and no scope change. No public exploit code and no confirmed active exploitation were identified at time of analysis; this is a moderate-severity, local-access issue that should be patched on a normal cycle rather than treated as an emergency.

RemediationAI

Vendor-released patch: 4.8.0 - Dell DSA-2026-467 states that upgrading Dell OpenManage Enterprise to version 4.8.0 remediates this issue, and that advisory (https://www.dell.com/support/kbdoc/en-us/000523220/dsa-2026-467-security-update-for-dell-openmanage-enterprise-vulnerabilities) is the authoritative source for the upgrade procedure. No workarounds or compensating controls are described in the available sources, so no alternative mitigation can be cited with confidence; the practical exposure limit is that an attacker must already hold low-privileged local credentials on the OpenManage Enterprise host (AV:L/PR:L), so controlling who can log on locally to the appliance reduces the attack surface while the 4.8.0 upgrade is scheduled on a normal patch cycle per the this_month priority.

Affected VersionsENISA

OpenManage Enterprise 0 <4.8.0 or later

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Technical ContextAI · show details

CWE-732 (Incorrect Permission Assignment for Critical Resource) is a configuration/permission-design flaw: an object, file, service or internal resource is granted permissions broader than its sensitivity warrants, so a principal that should be excluded - here a locally authenticated low-privileged account - can reach it. In OpenManage Enterprise this manifests as a protection-mechanism bypass reachable through the local attack vector (AV:L) with low privileges (PR:L), no user interaction (UI:N) and unchanged scope (S:U); the exact resource and the specific protection mechanism bypassed are not described in the available sources, so the trigger is not confirmed beyond the stated local, low-privilege access path. Impact is bounded to confidentiality (C:H/I:N/A:N), meaning the exposure is to information disclosure rather than modification or denial of service. CPE data places the affected range at dell:openmanage_enterprise prior to the 4.8.0 release.

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Severity by source

Vendor (dell) PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 5.5 MEDIUM

Local access by an already-authenticated low-privileged user (AV:L, PR:L) with no interaction; impact is confidentiality disclosure only (C:H, I:N, A:N), scope unchanged.

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

Primary rating from Vendor (dell).

CVSS VectorVendor: dell

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

Lifecycle Timeline

1
Patch available
Nov 02, 2026 - 14:01 EUVD

DescriptionCVE.org

Dell OpenManage Enterprise, versions prior to 4.8.0, contains an Incorrect Permission Assignment for Critical Resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Protection mechanism bypass.

Threat Intelligence Overview

Prevalence
Medium
enterprise server-management console, common in Dell-centric datacenters but not everywhere
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 MEDIUM
CISA KEV No
Public POC No
EPSS N/A
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
Defer
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
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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