# CVE-2026-80122: Dell Secure Connect Gateway improper certificate validation

Source: https://junglewise.ai/threats/cve-2026-80122-dell-secure-connect-gateway-improper-certificate-validation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-09. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-80122 · Severity: high · CVSS 7.3 · Published 2026-09-09

Dell Secure Connect Gateway (SCG) is a network appliance and application used to provide secure remote access and connectivity for enterprise environments. Versions before 5.36.00.16 (appliance) and 5.36.00.00 (application) contain multiple certificate validation flaws that allow unauthenticated remote attackers to bypass security checks and gain unauthorized access to the system.

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-2026-80122 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-80122 being exploited in the wild.

**How severe is CVE-2026-80122?** High severity, with a CVSS score of 7.3, published 9 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-2026-80122?** A patch was published on 2026-09-09: Patches available: SCG 5.0 Appliance 5.36.00.16+, SCG 5.0 Application 5.36.00.00+ Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-80122 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-80122?** 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-2026-80122 and related certificate validation vulnerabilities (CVE-2026-78491, CVE-2026-79637) in Dell SCG 5.0 stem from improper validation of SSL/TLS certificates, allowing attackers to perform man-in-the-middle (MITM) attacks or bypass intended access controls. These are network-accessible vulnerabilities requiring no authentication or user interaction. An attacker with remote access can exploit these flaws to gain unauthorized access to the appliance or application. Fixes are available in SCG 5.0 Appliance version 5.36.00.16 and later, and SCG 5.0 Application version 5.36.00.00 and later.

## 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

- 2026-09-09: disclosed: CVE-2026-80122 and related vulnerabilities published
- 2026-09-09: patched: Patches available: SCG 5.0 Appliance 5.36.00.16+, SCG 5.0 Application 5.36.00.00+

## References

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

## 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)