CVE-2026-78023 — Policy Manager For Secure Connect Gateway
HIGHCVE-2026-78023 is a high-severity (CVSS 7.1) CWE-639 vulnerability in dell policy manager for secure connect gateway. A fix is available — see the affected versions and patch details below.
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Authorization Bypass Through User-Controlled Key vulnerability. A low privileged attacker…
Exploitation Status
No confirmed exploitation observed yet
- A successful exploit gives an attacker total control of the affected component, not partial access.
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2026-78023.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
CVE-2026-78023 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.
Where this sits among everything scored
Of 388,997 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.
Description
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Authorization Bypass Through User-Controlled Key vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges.
Affected Products
policy manager for secure connect gatewaydellDetection & mitigation playbook
Vendor / applianceDetect
Inventory every dell policy manager for secure connect gateway deployment and check each version against the affected-products list above.
Fix
Apply the dell policy manager for secure connect gateway security patch or hotfix for CVE-2026-78023 on the affected version, following the vendor advisory for your exact build.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.
Frequently Asked Questions
Is CVE-2026-78023 being exploited in your environment?
Detect and block the exploit chain at execution, on systems you cannot patch yet.