Description
CVE-2026-55400 is an integer underflow in Secure Access servers prior to
version 14.57. Attackers with an authenticated session can send
specially crafted traffic to a server in a non-default configuration and
cause a persistent denial of service.
Published: 2026-08-13
Score: 6 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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

Type Values Removed Values Added
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 Underflow‑Based Persistent Denial of Service in Absolute Secure Access
Weaknesses CWE-190

Thu, 13 Aug 2026 16:15:00 +0000

Type Values Removed Values Added
Description CVE-2026-55400 is an integer underflow in Secure Access servers prior to version 14.57. Attackers with an authenticated session can send specially crafted traffic to a server in a non-default configuration and cause a persistent denial of service.
References
Metrics cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Absolute

Published:

Updated: 2026-08-13T18:50:28.496Z

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

Link: CVE-2026-55400

cve-icon Vulnrichment

Updated: 2026-08-13T18:50:11.252Z

cve-icon NVD

Status : Received

Published: 2026-08-13T16:18:07.720

Modified: 2026-08-13T19:17:23.603

Link: CVE-2026-55400

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses
  • CWE-190

    Integer Overflow or Wraparound