CVE-2026-40954: Vulnerability in Absolute Security Secure Access
CVE-2026-40954 is an integer underflow vulnerability in the traffic parsing function of Absolute Security's Secure Access client software versions prior to 14.55. This vulnerability allows attackers who have detailed knowledge and full control over the tunnel protocol to cause a non-persistent denial of service (DoS) against the client. The vulnerability has a low severity rating with a CVSS score of 2.1. No official patch or remediation guidance has been provided yet by the vendor.
AI Analysis
Technical Summary
The vulnerability CVE-2026-40954 affects Absolute Security Secure Access clients before version 14.55. It is caused by an integer underflow in the traffic parsing function. Exploitation requires an attacker to have intimate knowledge of and total control over the tunnel protocol used by the client. Successful exploitation results in a non-persistent denial of service condition against the client. The CVSS 4.0 vector indicates network attack vector, high attack complexity, partial user interaction, and low impact on availability with no impact on confidentiality or integrity.
Potential Impact
An attacker with detailed knowledge and full control of the tunnel protocol can trigger a non-persistent denial of service against the Secure Access client. The impact is limited to availability disruption without affecting confidentiality or integrity. The low CVSS score reflects the limited scope and complexity required for exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been published by Absolute Security at this time.
CVE-2026-40954: Vulnerability in Absolute Security Secure Access
Description
CVE-2026-40954 is an integer underflow vulnerability in the traffic parsing function of Absolute Security's Secure Access client software versions prior to 14.55. This vulnerability allows attackers who have detailed knowledge and full control over the tunnel protocol to cause a non-persistent denial of service (DoS) against the client. The vulnerability has a low severity rating with a CVSS score of 2.1. No official patch or remediation guidance has been provided yet by the vendor.
CVSS v4.0
Score 2.1low
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-40954 affects Absolute Security Secure Access clients before version 14.55. It is caused by an integer underflow in the traffic parsing function. Exploitation requires an attacker to have intimate knowledge of and total control over the tunnel protocol used by the client. Successful exploitation results in a non-persistent denial of service condition against the client. The CVSS 4.0 vector indicates network attack vector, high attack complexity, partial user interaction, and low impact on availability with no impact on confidentiality or integrity.
Potential Impact
An attacker with detailed knowledge and full control of the tunnel protocol can trigger a non-persistent denial of service against the Secure Access client. The impact is limited to availability disruption without affecting confidentiality or integrity. The low CVSS score reflects the limited scope and complexity required for exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been published by Absolute Security at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Absolute
- Date Reserved
- 2026-04-16T00:19:03.573Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a57eb0b68715ace4363c86b
Added to database: 07/15/2026, 20:18:19 UTC
Last enriched: 07/15/2026, 20:33:46 UTC
Last updated: 07/16/2026, 01:38:19 UTC
Views: 8
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