CVE-2026-40954

Integer underflow in Secure Access clients prior to 14.55

Low · published July 15, 2026

CVSS v4.0
2.1
EPSS
0%
Percentile
23.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v4.0
2.1 · LOW
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
EPSS
0.00321 · 23.8th percentile
Published
2026-07-15T19:44Z
EPSS history
Timeline
  • 15 JUL 19:44Z
    Integer underflow in Secure Access clients prior to 14.55
    cvelistv5