CVE-2026-8480

Medium

Description

A vulnerability was discovered on Stormshield Network Security 4.3.0  to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included) A revoked client certificate can still be used to authenticate to the captive‑admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access.

SeverityMedium
CVSS4.3
Exploit probability—
ProductStormshield Network Security
PublishedJul 1, 2026
First seenJul 1, 2026
Weakness typeCWE-295CWE-295

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Stormshield Stormshield Network Security4.3.0 ≤ v ≤ 4.3.41, 4.4.0 ≤ v ≤ 4.8.15, 5.0.2 EA ≤ v ≤ 5.0.5—

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