What is CVE-2026-79638?

CVE-2026-79638 is a medium-severity vulnerability in Dell Secure Connect Gateway, classified under Protection Mechanism Failure. CVSS score: 5.3/10. Published 2026-09-09.

How severe is CVE-2026-79638?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Dell Secure Connect Gateway

CVE-2026-79638

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 Alternate XSS Syntax vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to script injection.

Published 2026-09-09 · last modified 2026-09-09.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (26.1th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

www.dell.com/support/kbdoc/en-in/000503426/dsa-2026-382-security-update-for-del… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-79638?: CVE-2026-79638 is a medium-severity vulnerability in Dell Secure Connect Gateway, classified under Protection Mechanism Failure. CVSS score: 5.3/10. Published 2026-09-09.
How severe is CVE-2026-79638?: Medium severity. CVSS v3 base score is 5.3 out of 10.