CVE-2026-40955

Integer underflow vulnerability in Secure Access clients

Published Jul 15, 2026 CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed
Description
CVE-2026-40955 is an integer underflow
vulnerability in the traffic parsing function of Secure Access clients prior to
14.55. Attackers with intimate knowledge of and total control over the tunnel
protocol can create a non-persistent DoS against their client.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Absolute
Absolute secure Access
Vendors & Products Absolute
Absolute secure Access
Type Values Removed Values Added
Weaknesses CWE-191
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description CVE-2026-40955 is an integer underflow vulnerability in the traffic parsing function of Secure Access clients prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against their client.
Title Integer underflow vulnerability in Secure Access clients
References
Metrics cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Absolute
Published
Updated
Jul 16, 2026, 1:13 PM
Reserved
Apr 16, 2026, 12:19 AM
Status
Modified
Published
Jul 15, 2026, 8:16 PM
Modified
Oct 24, 2026, 9:10 PM