CVE-2026-55402: Absolute Secure Access

Medium severity, CVSS 5.9. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Absolute Secure Access: before 14.57 (fixed in 14.57)

Published 2026-08-13. Last modified 2026-09-04.