CVE-2026-78488 Dell CVE debrief

Who should care

System administrators and security teams responsible for Dell Secure Connect Gateway systems, especially those with remote access enabled, should assess exposure and apply necessary updates.

Why it matters

This OS Command Injection vulnerability in Dell Secure Connect Gateway could allow a low-privileged attacker to execute commands remotely. System administrators and security teams should assess exposure, especially for systems with remote access enabled, and apply necessary updates.

• Remote code execution requires verification
• Low-privileged attacker exploitation possible
• Command execution may lead to system compromise

Technical summary

The Dell Secure Connect Gateway (SCG) 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00 are vulnerable to an OS Command Injection attack. A low-privileged attacker with remote access could potentially exploit this vulnerability, leading to command execution. The vulnerability has a CVSS score of 6.5 and a medium severity. System administrators and security teams should assess exposure and apply necessary updates to prevent potential exploitation. The affected systems should be reviewed for remote access and updated or mitigated accordingly.

Defensive priority

Medium priority for remote access systems

Recommended defensive actions

• Review and apply Dell's security update for Dell Secure Connect Gateway
• Restrict remote access to the affected systems
• Monitor system logs for suspicious activity
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. However, additional information on affected systems and remediation steps is limited. Further verification is needed to determine the extent of the vulnerability and to apply necessary updates. The CVE Program record and NVD detail page offer source-provided CVE metadata and vulnerability assessments.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.