CVE-2026-55402

8.7 highEPSS 0.4%

High (8.7) in absolute secure access. 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.

Severity

CVSS 4.0

8.7 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2026-08-13
Modified: 2026-09-04
Record from: the NVD, synced 2026-10-19

Affected

absolute:secure_access

References

https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55402

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