Vulnerability · Published Aug 13, 2026 · Assigned by Absolute
CVE-2026-55400
Medium 6.0
In plain English
A medium-severity integer overflow in Secure Access from Absolute Security. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 4.0)6.0Medium
Exploit odds (30 days)0.4%top 68.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Absolute Security | Secure Access | 0 – before 14.57 |
Weakness: CWE-190 · Vector: 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