CVE-2026-55401
Overview
CVE-2026-55401 is a known-severity vulnerability. It was published on August 13, 2026.
Technical Description
CVE-2026-55401 is a null dereference vulnerability on the load-balancing
sub-system of Secure Access servers prior to 14.57. Attackers can send
an unauthenticated packet to a Secure Access server with load balancing
enabled, which results in the internal load balancer crashing. After a
successful attack, the Secure Access server is still able to accept
connections and is still able to issue a failover to connected clients. https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
Remediation
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Frequently Asked Questions
What is CVE-2026-55401?
CVE-2026-55401 is a known-severity vulnerability. It was published on August 13, 2026.
How severe is CVE-2026-55401?
CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.
How do I fix or remediate CVE-2026-55401?
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-55401?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-55401 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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