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Vulnerability record · CVE-2026-78490 · published 9 September 2026

CVE-2026-78490: Dell secure connect gateway improper restriction of authentication attempts vulnerability

Dell · Secure Connect Gateway

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.

7.5 CVSS 3.1 High EPSS 0.50% · top 59.6% CWE-307 · Improper restriction of authentication attempts
7.5CVSS 3.1 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
9 Sep 2026Last modified by NVD

Description

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.dell.com/support/kbdoc/en-in/000503426/dsa-2026-382-security-update-for-dell-secure-connect-gateway-virtual- Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-79689Dell secure connect gateway os command injection vulnerabilityDell 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…EPSS 4.7%9.8CVE-2026-79941Dell secure connect gateway command injection vulnerabilityDell 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…EPSS 4.7%9.8CVE-2026-80172Dell secure connect gateway insufficient verification of data authenticity vulnerabilityDell 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 Insufficient Verification …EPSS 0.25%9.8CVE-2026-80129Dell secure connect gateway path traversal vulnerabilityDell 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 Limitation of a P…EPSS 0.68%9.8CVE-2026-80131Dell secure connect gateway path traversal vulnerabilityDell 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 Limitation of a P…EPSS 0.78%9.4CVE-2026-61410Dell secure connect gateway missing authorization vulnerabilityDell 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 a Missing Authorization vulne…EPSS 0.85%9.3CVE-2026-80238Dell secure connect gateway execution with unnecessary privileges vulnerabilityDell 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 Execution with Unnecessary…EPSS 0.19%9.1CVE-2026-80164Dell secure connect gateway improper certificate validation vulnerabilityDell 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 Certificate Valid…EPSS 0.25%

Source: NIST National Vulnerability Database (record CVE-2026-78490), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.