CVE-2026-55402

HighCVSS 8.7

Published: 13/08/2026(UTC)Updated: 13/08/2026(UTC)Translated: 13/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.31%

24th percentile - higher than 24% of all known CVEs

Summary

CVE-2026-55402 is an out of bounds read vulnerability in Secure Access servers prior to version 14.57. Attackers with an 'in the middle' position can send specially crafted data to a server causing a persistent denial of service.

Risk Assessment

Risk of persistent unavailability of Secure Access services, potentially disrupting organizational operations and causing financial losses.

Recommendation

Update Secure Access servers to version 14.57 or later, which includes the fix.

Original NVD description (English source)

CVE-2026-55402 is an out of bounds read vulnerability in Secure Access servers prior to version 14.57. Attackers with an ‘in the middle’ position can send specially crafted data to a server causing a persistent denial of service.