# CVE-2026-79644: Dell Secure Connect Gateway improper certificate validation

Source: https://junglewise.ai/threats/cve-2026-79644-dell-secure-connect-gateway-improper-certificate-validation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-07. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-79644 · Severity: high · CVSS 7.4 · Published 2026-09-07

Dell Secure Connect Gateway (SCG) is a remote access appliance that manages secure connections for corporate networks. An improper certificate validation flaw allows remote attackers to bypass security checks and gain unauthorized access without authentication, potentially compromising network security and enabling further intrusion.

Technologies: [Dell Secure Connect Gateway 5.0 Appliance](https://junglewise.ai/threats/technologies/secure-connect-gateway-5-0-appliance), [Dell Secure Connect Gateway 5.0 Application](https://junglewise.ai/threats/technologies/secure-connect-gateway-5-0-application). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-79644 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-79644 being exploited in the wild.

**How severe is CVE-2026-79644?** High severity, with a CVSS score of 7.4, published 7 September 2026.

**Which products and versions are affected?** Dell Secure Connect Gateway 5.0 Appliance prior to 5.36.00.16; Dell Secure Connect Gateway 5.0 Application prior to 5.36.00.00.

**Is there a fix for CVE-2026-79644?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-79644 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-79644?** Check whether you run Dell Secure Connect Gateway 5.0 Appliance or Dell Secure Connect Gateway 5.0 Application at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

CVE-2026-79644 involves improper certificate validation in Dell SCG 5.0, affecting both the appliance and application variants. An unauthenticated remote attacker can exploit this vulnerability to bypass certificate validation controls, allowing man-in-the-middle attacks or unauthorized access to the system. The vulnerability requires network access but no authentication or user interaction. Affected versions include Appliance prior to 5.36.00.16 and Application prior to 5.36.00.00; patched versions are available from Dell.

## Affected products

- Dell Secure Connect Gateway 5.0 Appliance prior to 5.36.00.16
- Dell Secure Connect Gateway 5.0 Application prior to 5.36.00.00

## Timeline

- 2026-09-07: disclosed
- 2026-09-07: advisory: DSA-2026-382 published with multiple vulnerabilities

## References

- [https://www.dell.com/support/kbdoc/en-in/000503426/dsa-2026-382-security-update-for-dell-secure-connect-gateway-virtual-edition-multiple-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9](https://www.dell.com/support/kbdoc/en-in/000503426/dsa-2026-382-security-update-for-dell-secure-connect-gateway-virtual-edition-multiple-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9)

## Related threats

- [Dell SCG 5.0 cross-site scripting in alternate XSS syntax](https://junglewise.ai/threats/cve-2026-79946-dell-scg-5-0-cross-site-scripting-in-alternate-xss-syntax)
- [Dell Secure Connect Gateway command injection vulnerability](https://junglewise.ai/threats/cve-2026-79741-dell-secure-connect-gateway-command-injection-vulnerability)
- [Dell Secure Connect Gateway OS command injection](https://junglewise.ai/threats/cve-2026-78484-dell-secure-connect-gateway-os-command-injection)
- [Dell Secure Connect Gateway command injection](https://junglewise.ai/threats/cve-2026-79941-dell-secure-connect-gateway-command-injection)
- [Dell Secure Connect Gateway improper neutralization of escape sequences](https://junglewise.ai/threats/cve-2026-79964-dell-secure-connect-gateway-improper-neutralization-of-escape)