CVE-2026-8482: Stormshield Network Security

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability was discovered on StormShield Network Security 4.3.0 to 4.3.41 (included), 4.8.0 to 4.8.15 (included) , 5.0.0 to 5.0.5 (included) There is a possible leak of secret information if administration commands have been passed with the CLI command line tool. Someone with SSH access to the firewall (if SSH multiuser mode is enabled) could possibly get the proxy CA passphrase or TPM password.

Affected products

• Stormshield Stormshield Network Security: from 4.3.0, up to and including 4.3.41; from 4.8.0, up to and including 4.8.15; from 5.0.0, up to and including 5.0.5

Published 2026-07-02. Last modified 2026-07-02.