Vulnerability · Published Jul 15, 2026 · Assigned by Absolute
CVE-2026-40955Integer underflow vulnerability in Secure Access clients
Low 2.1
In plain English
A low-severity security flaw 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 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 4.0)2.1Low
Exploit odds (30 days)0.3%top 74.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Absolute Security | Secure Access | 0 – before 14.55 |
Weakness: CWE-191 · 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