What is CVE-2026-78490?

CVE-2026-78490 is a high-severity vulnerability in Dell Secure Connect Gateway 5.0 - Appliance, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2026-09-09.

How severe is CVE-2026-78490?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Dell Secure Connect Gateway 5.0 - Appliance

CVE-2026-78490

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 Restriction of Excessive Authentication Attempts vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to client-side request forgery.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

security_alert@emc.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-78490?: CVE-2026-78490 is a high-severity vulnerability in Dell Secure Connect Gateway 5.0 - Appliance, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2026-09-09.
How severe is CVE-2026-78490?: High severity. CVSS v3 base score is 7.5 out of 10.