Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessObtain low-privilege operator credentials
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ExploitAuthenticate to Fabric Composer API
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ExecutionSend requests to over-privileged API endpoints
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ImpactRead restricted configuration data or apply unauthorized changes
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling File access restriction
MITRE ATT&CK
2 techniques across 1 tactic: Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires a valid authenticated session with at least low-privilege operator rights on the HPE Fabric Composer platform - unauthenticated attackers cannot exploit this flaw. Network access to the Fabric Composer API management interface is required (AV:N). No special non-default configuration is needed; the flaw exists in the standard API authorization logic available to any operator-tier account. Exploitation is limited by the requirement to possess or compromise an operator account, restricting the realistic attacker pool to insiders, lateral movers with harvested credentials, or attackers who have already achieved initial access to an account in the environment. |
| Impact | The CVSS 5.4 (Medium) score with vector AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N is internally consistent and accurately reflects the threat model: the attack is network-reachable, low-complexity, but requires authenticated access at the operator privilege tier. The limited C:L/I:L impact aligns with the vendor's description of 'limited information' and 'limited changes' rather than full system compromise. There is no CISA KEV listing and no public POC, meaning exploitation remains limited to threat actors who already hold a valid low-privilege account in the target environment - significantly narrowing the realistic attacker pool. EPSS data is not provided. The primary real-world risk is insider threat or compromised low-privilege account scenarios within enterprises running Fabric Composer. This is a genuine but contained access-control gap, not a critical emergency - environments with strict internal account controls and network segmentation face lower realistic exposure. |
| Exploit ScenarioDerived | An attacker who has obtained or holds a low-privilege operator account on HPE Fabric Composer - whether through credential theft, insider access, or default credentials - sends crafted API requests to endpoints normally restricted to higher-privilege roles. The API returns restricted configuration data or applies changes beyond the operator's authorized scope. No public exploit code has been identified at time of analysis. |
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Alert meAnalysisAIv1 – Sep 01, 2026
Authenticated privilege escalation in HPE Networking Fabric Composer's API allows low-privilege operator users to read limited information and make limited configuration changes beyond their authorized scope. The flaw affects all tracked versions per CPE data and requires only a valid low-privilege account to exploit - no special configuration or user interaction is needed. No public exploit code and no CISA KEV listing are present at time of analysis, keeping real-world risk moderate despite network accessibility.
RemediationAI
Apply the patch or upgrade referenced in HPE Security Bulletin HPESBNW05133 at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US. Because no fixed version is specified in the available CPE data, consult the bulletin directly for the exact patched release version. As a compensating control pending patch deployment, restrict operator-tier accounts to the minimum set of users who require them, audit current operator account holders, and enforce network-level access controls (firewall rules, VPN, or jump-host requirements) to limit which hosts can reach the Fabric Composer API management interface - this raises the bar for exploitation since an attacker must first hold a valid account. Note that restricting API access may impact legitimate automation workflows. Monitor API access logs for operator accounts accessing endpoints inconsistent with normal operator activity as a detection measure.
Affected VersionsENISA
Affected Packages
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
HPE Networking Fabric Composer is an enterprise data center network automation and management platform that exposes a REST/API layer for orchestration tasks. The vulnerability stems from insufficient authorization enforcement within this API, where the privilege boundary between operator-tier and higher-privilege roles is not properly enforced on certain endpoints. This is an access control logic flaw - the API fails to verify that the requesting user's role authorizes the specific operation, allowing role boundary bypass. The CWE is listed as N/A in the NVD record; the most applicable classification would be CWE-285 (Improper Authorization) or CWE-284 (Improper Access Control). The affected CPE string cpe:2.3:a:hewlett_packard_enterprise_(hpe):fabric_composer:*:*:*:*:*:*:*:* uses a wildcard version field, indicating all released versions are considered affected per the vendor advisory.
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Network-accessible API requiring low-privilege auth; limited confidentiality and integrity impact with no availability effect aligns with vendor description.
Primary rating from Vendor (hpe).
CVSS VectorVendor: hpe
DescriptionCVE.org
Vulnerabilities in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to access some information beyond their privilege level. Successful exploitation could allow an attacker to obtain limited information and/or make limited changes beyond what is authorized by the user's existing privilege level.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
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EUVD-2026-69462
GHSA-68w8-xmxr-x2gc
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB