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Aruba Networking Private 5g Core CVE-2026-23596

MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2026-02-17 security-alert@hpe.com
6.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

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

Impact

CVSS 6.5 (MEDIUM). Attack vector: Adjacent Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitation no authentication required. Exploitable via remote/network.

Exploit ScenarioDerived

A remote attacker without authentication could exploit this vulnerability to disrupt services and negatively impact system availability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Unauthenticated attackers can trigger service restarts through the management API in Aruba Networking Private 5G Core, causing denial of service and disrupting system availability. This network-adjacent vulnerability requires no authentication or user interaction and has a publicly available patch to remediate the issue.

Earlier versions of this analysis (1)
v1 Mar 12, 2026 - 21:55 CVSS 6.5

A vulnerability in the management API of the affected product could allow an unauthenticated remote attacker to trigger service restarts. Successful exploitation could allow an attacker to disrupt services and negatively impact system availability. [CVSS 6.5 MEDIUM]

RemediationAI

A vendor patch is available — apply it immediately.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-400 (Uncontrolled Resource Consumption). Affects Aruba Networking Private 5G Core. A vulnerability in the management API of the affected product could allow an unauthenticated remote attacker to trigger service restarts. Successful exploitation could allow an attacker to disrupt services and negatively impact system availability.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

2
Patch released
Feb 28, 2026 - 01:30 nvd
Patch available
CVE Published
Feb 17, 2026 - 21:22 nvd
MEDIUM 6.5

DescriptionCVE.org

A vulnerability in the management API of the affected product could allow an unauthenticated remote attacker to trigger service restarts. Successful exploitation could allow an attacker to disrupt services and negatively impact system availability.

Executive ViewAI

Why It Matters

CVE-2026-23596 presents notable security risk, a resource exhaustion vulnerability rated CVSS 6.5. Service availability could be impacted. A patch is available and should be applied during regular vulnerability management.

Business Impact: Moderate
Compensating Controls

Apply vendor patch. If patching is delayed: implement rate limiting and resource quotas.

Threat Intelligence Overview

EPSS Score
0.1%
Top 79% exploitable
Data Quality
3 sources
Confidence: Low

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 0.1%
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

Exploitation· derived
None
System Exposure· derived
Controlled
Automatable· derived
No

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:hpe:aruba_networking_private_5g_core:*:*:*:*:*:*:*:*

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