CVE Catalog

CVE-2026-40958

LowCVSS 3.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.21%

11th percentile - higher than 11% of all known CVEs

Summary

CVE-2026-40958 is an input validation error in 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.

Risk Assessment

The risk is that a privileged attacker can trigger a DoS attack, potentially disrupting the Secure Access client and affecting service availability.

Recommendation

It is recommended to upgrade Secure Access clients to version 14.55 or later, which includes a fix for the input validation error.

Original NVD description (English source)

CVE-2026-40958 is a input validation error in 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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS