CVE-2026-55402 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

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

History

Thu, 13 Aug 2026 19:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-125
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 13 Aug 2026 18:15:00 +0000

Type	Values Removed	Values Added
Title		Out-of-Bounds Read Causing Persistent Denial of Service in Secure Access Server
Weaknesses		CWE-787

Thu, 13 Aug 2026 16:45:00 +0000

Type	Values Removed	Values Added
Description		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.
References		https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55402
Metrics		cvssV4_0 `{'score': 8.7, 'vector': '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'}`

MITRE

Status: PUBLISHED

Assigner: Absolute

Published: 2026-08-13T16:16:22.160Z

Updated: 2026-08-13T19:02:45.126Z

Reserved: 2026-06-16T21:26:37.698Z

Link: CVE-2026-55402

Vulnrichment

Updated: 2026-08-13T19:02:33.078Z

NVD

Status : Received

Published: 2026-08-13T17:17:24.630

Modified: 2026-08-13T20:17:22.990

Link: CVE-2026-55402

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-13T18:00:04Z

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