CVE-2026-55400
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6epss 0.3%
exploitation probability
0.3%top 82% of all CVEs
observed exploitation
nono source reports it
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.
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
Affected products
Absolute Security · Secure Access