CVE-2026-78494: dell secure_connect_gateway Improper Certificate Validation
CVSS: 7.4v3.1HighAnalyzed
Published 09-09-2026Last modified 11-09-2026
Vulnerability summary
CVE-2026-78494 is a high (CVSS 7.4) Improper Certificate Validation vulnerability in dell secure_connect_gateway. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.1% of scored vulnerabilities.
CVSS score
7.4/10
010
High · v3.1 (CVE.org)EPSS score
0.24%
0%100%
Low · +0.09 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-09-2026PublishedVulnerability first disclosed.
- 11-09-2026Last modifiedVulnerability information updated.
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 Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NSourcesAll 2 agree
- NVDNIST7.4HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
+0.09 pp
From 0.15% on 21-09-2026
21-09-202621-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Dell3 products
- secure_connect_gateway< 5.36.00.00 | < 5.36.00.16
- secure connect gateway 5.0 - appliance< 5.36.00.16 or later
- secure connect gateway 5.0 - application< 5.36.00.00 or later
1 vendor · 3 products
References
1 links- www.dell.com/support/…Vendor Advisory