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MEDIUM severity

CVE-2026-79689

MEDIUM

CVE-2026-79689 is a medium-severity (CVSS 5.3) OS Command Injection vulnerability in dell secure connect gateway. O3 Security detects and blocks CVE-2026-79689 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.

Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Neutralization of Special Elements used in an OS…

Published
Sep 9, 2026
Updated
Sep 9, 2026
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Sep 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to script injection.

Affected Products

1 product · 2 configurations
Application
secure connect gatewaydell
< 5.36.00.16
range

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every dell secure connect gateway deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for remote code execution at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

  2. Fix

    Apply the dell secure connect gateway security patch or hotfix for CVE-2026-79689 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

  4. How O3 protects you

    O3 detects and blocks CVE-2026-79689 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2026-79689. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to script injection.
O3 Security · Runtime Protection

Is CVE-2026-79689 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2026-79689 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.