CVE-2026-102160

Executive Summary

CVE-2026-102160 is an OS command injection vulnerability (CWE-78) in the CloudVision CUE backup management component. An authenticated attacker holding Super User privileges can submit a crafted backup request that results in execution of arbitrary operating system commands under the privileges of the affected service. The vulnerability is network-reachable with a CVSS base score of 7.2, reflecting high confidentiality, integrity, and availability impact, though it is constrained by the requirement for high privileges and prior authentication. No public exploit, PoC, or Nuclei template is currently available, and the vulnerability remains unpatched according to available tracking sources.

Technical Analysis

CVE-2026-102160 is classified as an operating system command injection (CWE-78, commonly referred to as shell injection or OS command injection). The flawed component is the CUE backup management functionality within CloudVision. Command injection vulnerabilities arise when an application passes externally influenced input into a system shell or command interpreter without adequate neutralization of shell metacharacters or argument boundaries. In this case, the vulnerable input vector is described as a "crafted backup request" — meaning the parameters that define or configure a backup operation are not safely sanitized before being used to construct and execute an OS-level command.

The NVD description is specific about two conditions of exploitability: (1) the attacker must be an authenticated Super User, and (2) the injection occurs through the backup request pathway. The description does not disclose parameter names, endpoint paths, function names, or the exact shell construction mechanism, so those implementation specifics cannot be stated. What can be established from the CVSS vector is that the attack is network-based (AV:N), requires low attack complexity (AC:L), requires high privileges (PR:H), and requires no user interaction (UI:N). The scope is declared unchanged (S:U), and the impact across confidentiality, integrity, and availability is high (C:H/I:H/A:H). The combination of AV:N with PR:H indicates that the endpoint is reachable over the network but gated behind an administrative session.

Because no public proof-of-concept or exploit code exists, any deeper code-level reconstruction of the command construction routine would be speculative. The defensible technical characterization is that of a classic authenticated command injection reachable through the backup management workflow.

Exploitation Scenarios

The attack chain for CVE-2026-102160 is inferred from the vulnerability class (OS command injection) and the NVD description, which states that an authenticated Super User can submit a crafted backup request and execute arbitrary commands with the privileges of the affected service. No public PoC is available.

1. Reconnaissance / target identification: An adversary first identifies an exposed CloudVision management interface reachable over the network. Because the vulnerability requires authentication as a Super User, the attacker must already possess valid administrative credentials or have obtained them through prior compromise, credential reuse, phishing, or credential-stuffing against administrative accounts.

2. Trigger of the flaw class: Once authenticated with Super User privileges, the attacker accesses the backup management functionality and submits a backup request whose input is passed — without proper sanitization — into an underlying OS shell command. This is the defining condition of a command injection flaw: user-controllable request data reaches a command interpreter.

3. Payload / execution method (class level): The crafted backup request contains shell metacharacters or command separators such that, when the application assembles and executes the backup command, the injected content is interpreted as an additional operating system command. The result is execution of attacker-chosen commands under the privileges of the affected service. No specific injection string, parameter name, or payload syntax can be provided here because the NVD description does not disclose them and no exploit code is public.

4. Post-exploitation impact: Because command execution occurs with the privileges of the affected service, the attacker can read and exfiltrate sensitive data (high confidentiality impact), modify system state or configuration (high integrity impact), and disrupt or terminate the service (high availability impact). Given that the affected process is part of a management platform, successful exploitation could serve as a foothold for lateral movement within the managed network environment, depending on the service account's permissions.

Impact Assessment

The CVSS v3.1 base score for CVE-2026-102160 is 7.2, with the vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. The subscores indicate:

• Attack Vector (AV:N): Exploitable remotely across a network, increasing exposure to any reachable management interface.
• Attack Complexity (AC:L): No specialized conditions or race conditions are required; exploitation is straightforward for a suitably privileged attacker.
• Privileges Required (PR:H): The attacker must already hold Super User privileges, which significantly constrains the threat to insiders, compromised administrative accounts, or attackers who have already escalated.
• User Interaction (UI:N): No victim interaction is needed beyond the attacker's own request.
• Scope (S:U): The impact remains within the security authority of the vulnerable component.
• Confidentiality/Integrity/Availability (all High): Full compromise of data, system state, and service availability is possible via arbitrary command execution.

Business impact: CloudVision is a network management platform, and the CUE backup management function implies access to configuration and operational data. An attacker with command execution at service privilege could tamper with or exfiltrate backups, alter management data, or use the host as a pivot point. The blast radius is limited by the requirement for Super User authentication, but for organizations where administrative credentials are shared, weakly protected, or over-provisioned, the practical risk rises. Because the flaw is unpatched and no workaround is documented, residual risk remains until a vendor fix is released.

Detection Guidance

Sigma Rule

title: Potential OS Command Injection in CloudVision CUE Backup Management
id: 8f2c1a4e-7b3d-4c9a-9e21-6d5f0a1b2c34
status: experimental
description: Detects suspicious shell metacharacters in backup-related request parameters that may indicate exploitation of CVE-2026-102160 (OS command injection in CloudVision CUE backup management).
references:
  - https://nvd.nist.gov/vuln/detail/CVE-2026-102160
author: Threat Intelligence
date: 2026/01/01
logsource:
  category: webserver
detection:
  selection_method:
    cs-method:
      - 'POST'
      - 'PUT'
  selection_uri:
    cs-uri-stem|contains:
      - 'backup'
      - 'cue'
      - 'cloudvision'
  selection_payload:
    cs-uri-query|contains:
      - ';'
      - '|'
      - '&&'
      - '$('
      - '`'
      - '>'
      - '../'
  condition: selection_method and selection_uri and selection_payload
falsepositives:
  - Legitimate backup parameters containing special characters
level: high
tags:
  - attack.t1190
  - cve.2026.102160

YARA Rule

rule CVE_2026_102160_CloudVision_CmdInjection
{
    meta:
        description = "Detects shell metacharacter patterns associated with OS command injection attempts against CloudVision CUE backup management (CVE-2026-102160)"
        author = "Threat Intelligence"
        date = "2026-01-01"
        reference = "https://nvd.nist.gov/vuln/detail/CVE-2026-102160"
        severity = "high"

    strings:
        $cmd1 = "backup" nocase ascii wide
        $cmd2 = "cue" nocase ascii wide
        $meta1 = ";" ascii
        $meta2 = "&&" ascii
        $meta3 = "|" ascii
        $meta4 = "$(" ascii
        $meta5 = "`" ascii

    condition:
        (uint16(0) == 0x5A4D or true) and
        (($cmd1 or $cmd2) and any of ($meta*))
}

Suricata IDS Rule

alert http any any -> any any (msg:"CVE-2026-102160 CloudVision CUE Backup OS Command Injection Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"backup"; nocase; http.uri; content:"cue"; nocase; pcre:"/(\%3B|;|&&|\|\||\$\(|`)/U"; reference:cve,2026-102160; classtype:web-application-attack; sid:2026102160; rev:1;)

Elastic Detection

sequence by host.id with maxspan=5s
  [network where http.request.method in ("POST", "PUT") and
    wildcard(http.request.uri.path, "*backup*") and
    wildcard(http.request.uri.path, "*cue*")]
  [process where event.type == "start" and
    process.parent.name in ("java", "python", "node", "httpd", "nginx") and
    wildcard(process.command_line, "*/bin/sh*") and
    wildcard(process.command_line, "* -c *")]

Splunk SPL Query

index=proxy OR index=web
| eval req=coalesce(uri, url, request_path)
| search req="*backup*" AND req="*cue*"
| where match(req, "(;|\||&&|\$\(|`|\$\{)")
| stats count min(_time) as first_seen max(_time) as last_seen by src_ip, req, status
| convert ctime(first_seen) ctime(last_seen)
| sort - count

Wazuh OSSEC Rule

<group name="web,cloudvision,command_injection,">
  <rule id="2026101" level="12">
    <decoded_as>apache-accesslog</decoded_as>
    <url>backup</url>
    <url>cue</url>
    <regex type="pcre2">(;|\||&amp;&amp;|\$\(|`)</regex>
    <description>CVE-2026-102160: Possible OS command injection attempt against CloudVision CUE backup management</description>
    <mitre>
      <id>T1190</id>
    </mitre>
  </rule>
</group>

Mitigation & Patch Guidance

Patch confidence: 0/4 (UNPATCHED — no patch evidence from any tracked source). No vendor fix or workaround has been identified in the available data.

1. Immediate mitigations:

• Restrict network access to CloudVision management and CUE backup interfaces to trusted administrative networks only (apply firewall/ACL segmentation).
• Enforce least privilege and reduce the number of Super User accounts; avoid shared or generic administrative credentials.
• Enforce strong authentication (MFA) and monitoring on all administrative accounts to reduce the risk of credential compromise that enables the required high-privilege access.
• Where possible, disable or restrict the backup management feature for accounts that do not require it.
• Deploy the detection rules above to alert on shell metacharacter usage in backup-related requests and on suspicious child process spawning by the service.

2. Patch/upgrade steps:

• Monitor the vendor's security advisory and release notes for CloudVision for a fixed version addressing CVE-2026-102160.
• As no patch is currently available, subscribe to vendor notifications and re-assess immediately upon release. Validate patched builds in a staging environment before production rollout.

3. Long-term hardening:

• Adopt secure coding practices that avoid constructing shell commands from user input; use parameterized APIs and argument-array invocation rather than shell string concatenation.
• Apply input validation and allow-listing to backup request parameters.
• Run the affected service under a least-privileged, non-shell-capable account.
• Enable comprehensive audit logging of administrative and backup operations and retain logs for forensic review.

References

• NVD — CVE-2026-102160: https://nvd.nist.gov/vuln/detail/CVE-2026-102160
• CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'): https://cwe.mitre.org/data/definitions/78.html
• MITRE ATT&CK T1190 — Exploit Public-Facing Application: https://attack.mitre.org/techniques/T1190/
• CVSS v3.1 Specification: https://www.first.org/cvss/v3.1/specification-document
• CISA Known Exploited Vulnerabilities Catalog (verify status; CVE not listed as of this report): https://www.cisa.gov/known-exploited-vulnerabilities-catalog

No public exploit, PoC, or exploit-in-the-wild evidence has been observed for CVE-2026-102160. No threat actor campaigns are associated with this CVE in available data.