Low severity · published Jul 15, 2026
CVE-2026-40954
Integer underflow in Secure Access clients prior to 14.55
3.7
CVSS
0.3%
EPSS
No
On KEV
Description
CVE-2026-40954
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
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Secure Access · Absolute Security
before 14.55 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40954
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40954
Vendor Advisory
https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40954
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