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HPE Networking CVE-2026-79857

| EUVDEUVD-2026-108357 CRITICAL
Command Injection (CWE-77)
2026-10-22 security-alert@hpe.com GHSA-jxwv-g6wc-gh7x
9.8
CVSS 3.1 · Vendor: hpe
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Attack ChainAIDerived

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

  1. Access
    Reach exposed HPE networking service
  2. Exploit
    Send crafted unauthenticated request
  3. Execution
    Trigger undisclosed vulnerability
  4. Impact
    Compromise confidentiality, integrity and availability

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK

1 technique across 1 tactic: Execution

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

Exploitation Conditions

The CVE record provides no description, so the specific feature, protocol, configuration setting or deployment mode required to trigger this flaw is not described in the available sources. The supplied CVSS vector (AV:N/AC:L/PR:N/UI:N) implies remote, unauthenticated, no-interaction exploitation against the affected HPE networking product, but because the exact product, affected versions and preconditions are not stated in the data, these cannot be confirmed; consult HPE advisory hpesbnw05162en_us for the precise affected configurations and any limiting factors such as required network exposure of the management interface.

Impact

Signals conflict and the record is thin. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N, C:H/I:H/A:H, base 9.8 Critical) describes a remotely reachable flaw requiring no authentication, no user interaction and low attack complexity, yielding full confidentiality, integrity and availability loss - the classic profile of a high-priority network vulnerability. The vuln.today decision label is act_now, which reinforces treating this as urgent. However, several key signals are MISSING: no EPSS exploitation-probability score is provided, there is no CISA KEV listing, and no PoC or exploit reference is present, so exploitation status is 'no public exploit identified at time of analysis.' The record also has NO description and CWE is N/A, meaning the vulnerability mechanism is entirely unknown. A further inconsistency: the only classification tag is 'Information Disclosure', yet the CVSS vector asserts HIGH integrity and availability impact - those are not consistent with a pure disclosure bug, so either the tag understates the flaw or the vector overstates it; this should be verified against the HPE advisory. Net assessment: the quantitative severity and the act_now label justify prioritizing remediation, but the absence of a description, EPSS, KEV and PoC means the '9.8' rests on a vendor-supplied vector that cannot be independently corroborated from the supplied data.

Exploit ScenarioDerived

A remote, unauthenticated attacker reaches the affected HPE networking product over the network and, per the CVSS vector (AV:N/AC:L/PR:N/UI:N), sends a crafted request requiring no credentials or user interaction, resulting in full compromise of confidentiality, integrity and availability. The exact trigger is not described in the available sources, as the CVE record provides no description. No public exploit or PoC reference is present in the supplied data.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 22, 2026

HPE networking products are affected by a high-severity issue (CVSS 9.8) tracked as CVE-2026-79857, with a remote, unauthenticated vector (AV:N/AC:L/PR:N/UI:N) and high confidentiality, integrity, and availability impact. The CVE record contains no description, CWE, CPE, or version data, and the supplied tag labels it as information disclosure; the exact feature and affected configurations are not described in the available sources. No KEV designation or public exploit code is present in the supplied intelligence, so no public exploit was identified at time of analysis, but the vuln.today decision label is act_now and the HPE advisory hpesbnw05162en_us is the authoritative source for scope and fixes.

RemediationAI

No vendor-released patch version is identified in the supplied data; the HPE security bulletin at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US is the authoritative source for fixed firmware/software versions and upgrade steps. Because the decision label is act_now and the record lacks product and version detail, prioritize confirming whether any HPE networking asset in your estate matches the advisory's affected list before relying on any workaround. Specific compensating controls cannot be prescribed from the available evidence; apply only mitigations that HPE states in the advisory and account for their operational trade-offs.

Affected VersionsENISA

Unknown product 8.10.0.0 ≤8.10.0.23
Unknown product 8.12.0.0 ≤8.13.3.0

Affected Packages

euvd unknown_product 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

The record supplies only a CVSS 3.1 vector and no CWE, CPE, or description. The vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H describes network-reachable, unauthenticated exploitation with no user interaction and high impact across confidentiality, integrity, and availability; those metrics characterize severity, not the underlying mechanism. The root-cause class cannot be determined because CWE is N/A, and the trigger is not described in the available sources. The reporter is HPE and the sole reference is HPE security bulletin hpesbnw05162en_us, so the technology and deployment context must be read from that advisory rather than inferred from the score.

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Severity by source

Vendor (hpe) PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
ENISA EUVD HIGH

Primary rating from Vendor (hpe).

CVSS VectorVendor: hpe

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

DescriptionCVE.org

No description provided

Executive ViewAI

Why It Matters

A critical-severity vulnerability (CVE-2026-79857, CVSS 9.8) has been identified in HPE networking products that could allow remote, unauthenticated attackers to compromise confidentiality, integrity, and availability. While no active exploitation or public exploit code has been observed, the potential for network-wide disruption means security leadership should treat this as a high priority.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include restricting network access to affected devices, segmenting them from untrusted networks, and monitoring for signs of exploitation.

Threat Intelligence Overview

EPSS Score
0.4%
Top 68% exploitable
Prevalence
Medium
HPE networking appliance; specific product and deployment scale unconfirmed from advisory ID
Threat Intel
1
1 source
Data Quality
7 sources
Confidence: High

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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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
Open
Automatable
Yes
Human Impact
High
Technical Impact
Total

Priority Score

54
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: +5

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

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