Cyber Resilience

CVE-2026-23592

HighRCE

Published: 27 January 2026

Published
27 January 2026
Modified
15 April 2026
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0014 33.2th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-23592 is a high-severity OS Command Injection (CWE-78) vulnerability in Hpe (inferred from references). Its CVSS base score is 7.2 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 33.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and AC-6 (Least Privilege).

Deeper analysis

CVE-2026-23592 involves insecure file operations in the backup functionality of HPE Aruba Networking Fabric Composer, enabling remote code execution. Published on 2026-01-27, this vulnerability is rated at a CVSS v3.1 base score of 7.2 (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) and is associated with CWE-78 (OS Command Injection). It affects the Fabric Composer's implementation, where flaws in handling file operations during backups expose the system to exploitation.

Authenticated attackers with high privileges (PR:H) can exploit this vulnerability over the network (AV:N) with low attack complexity (AC:L) and without requiring user interaction (UI:N). Successful exploitation allows the execution of arbitrary commands on the underlying operating system, resulting in high impacts to confidentiality, integrity, and availability (C:H/I:H/A:H) within the unchanged scope (S:U).

Mitigation details are provided in the HPE advisory at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw04996en_us&docLocale=en_US.

EU & UK References

Vulnerability details

Insecure file operations in HPE Aruba Networking Fabric Composer’s backup functionality could allow authenticated attackers to achieve remote code execution. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
Why these techniques?

OS command injection in network management interface directly enables remote exploitation of public-facing app (T1190) and Unix shell command execution (T1059.004).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2026-42454Shared CWE-78
CVE-2026-34796Shared CWE-78
CVE-2024-57016Shared CWE-78
CVE-2025-50475Shared CWE-78
CVE-2024-57015Shared CWE-78
CVE-2026-36828Shared CWE-78
CVE-2024-57595Shared CWE-78
CVE-2026-25196Shared CWE-78
CVE-2024-50566Shared CWE-78
CVE-2026-0855Shared CWE-78

Affected Assets

Hpe
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly requires validation of inputs and file operations to block OS command injection in the backup functionality.

prevent

Enforces least privilege so that even authenticated users lack the elevated rights needed to trigger the RCE via backup file operations.

prevent

Restricts access and changes to system files and backup mechanisms, limiting an attacker's ability to exploit insecure file handling.

References