CVE-2026-73748 Vulnerability Analysis & Exploit Details

CVE-2026-73748
Vulnerability Scoring

2.2
/10
Low Risk

Security experts classify CVE-2026-73748 as a minor vulnerability with limited consequences.

Attack Complexity Details

  • Attack Complexity: High
    Exploits require significant effort and special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: High
    High-level privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-73748 Details

Status: Analyzed

Last updated: 🕒 02 Sep 2026, 15:14 UTC
Originally published on: 🕗 01 Sep 2026, 20:17 UTC

CVSS Release: version 3

CVSS3 Source

security-alert@hpe.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

CVE-2026-73748 Vulnerability Summary

CVE-2026-73748: A vulnerability in the affected interface of HPE Networking Fabric Composer allows an attacker with administrative privileges to access sensitive information in a cleartext format. A successful exploit allows an attacker to retrieve information which could be used to potentially gain further access to network services supported by HPE Networking Fabric Composer.

Assessing the Risk of CVE-2026-73748

Access Complexity Graph

The exploitability of CVE-2026-73748 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-73748

The exploitability of CVE-2026-73748 is influenced by multiple factors. Security teams should analyze system configurations and apply appropriate countermeasures to mitigate threats.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-73748, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-73748, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2026-73748 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: None
    CVE-2026-73748 poses no threat to data integrity.
  • Availability: None
    CVE-2026-73748 does not impact system availability.

CVE-2026-73748 References

External References

CWE Common Weakness Enumeration

CWE-312

CAPEC Common Attack Pattern Enumeration and Classification

  • Retrieve Embedded Sensitive Data CAPEC-37 An attacker examines a target system to find sensitive data that has been embedded within it. This information can reveal confidential contents, such as account numbers or individual keys/credentials that can be used as an intermediate step in a larger attack.

Vulnerable Configurations

  • cpe:2.3:a:arubanetworks:fabric_composer:6.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.5.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.5.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.5.3:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.5.3:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:6.6.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:6.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.0.4:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.0.6:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.0.6:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.1.3:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:arubanetworks:fabric_composer:7.3.3:*:*:*:*:*:*:*
    cpe:2.3:a:arubanetworks:fabric_composer:7.3.3:*:*:*:*:*:*:*

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