# CVE-2026-80135: Dell Secure Connect Gateway improper exception handling bypass

Source: https://junglewise.ai/threats/cve-2026-80135-dell-secure-connect-gateway-improper-exception-handling-bypass  
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-2026-80135 · Severity: high · CVSS 7.5 · Published 2026-09-07

Dell Secure Connect Gateway is a remote access and VPN appliance used by enterprises to provide secure connectivity. CVE-2026-80135 is an improper handling of exceptions vulnerability that allows unauthenticated attackers with network access to bypass security protections. Successful exploitation could allow attackers to circumvent intended access controls and compromise system security.

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

## Quick answers

**Is CVE-2026-80135 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-80135 being exploited in the wild.

**How severe is CVE-2026-80135?** High severity, with a CVSS score of 7.5, published 7 September 2026.

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

**Is there a fix for CVE-2026-80135?** 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-2026-80135 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-80135?** Check whether you run Dell Secure Connect Gateway Appliance or Dell Secure Connect Gateway 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-2026-80135 is an improper check or handling of exceptional conditions vulnerability in Dell Secure Connect Gateway (SCG) 5.0. The vulnerability allows unauthenticated remote attackers to bypass protection mechanisms through network access, without requiring authentication or user interaction. The flaw resides in the appliance/application's error handling logic, which fails to properly validate or restrict operations when exceptional conditions occur. Patches are available for affected versions: SCG 5.0 Appliance must be updated to version 5.36.00.16 or later, and SCG 5.0 Application must be updated to version 5.36.00.00 or later.

## Affected products

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

## Timeline

- 2026-09-07: disclosed: Published on NVD and Dell security advisory DSA-2026-382

## 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 Secure Connect Gateway OS command injection vulnerability](https://junglewise.ai/threats/cve-2026-79947-dell-secure-connect-gateway-os-command-injection-vulnerability)
- [Dell Secure Connect Gateway OS command injection in local process](https://junglewise.ai/threats/cve-2026-79945-dell-secure-connect-gateway-os-command-injection-in-local-process)
- [Dell Secure Connect Gateway least privilege violation](https://junglewise.ai/threats/cve-2026-79944-dell-secure-connect-gateway-least-privilege-violation)
- [Dell Secure Connect Gateway execution with unnecessary privileges](https://junglewise.ai/threats/cve-2026-79942-dell-secure-connect-gateway-execution-with-unnecessary-privileges)
- [Dell Secure Connect Gateway hard-coded cryptographic key](https://junglewise.ai/threats/cve-2026-79735-dell-secure-connect-gateway-hard-coded-cryptographic-key)