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Medium · 4.3 CVE-2026-8480 EUVD-2026-41043GHSA-2j5q-9jw8-9qj5

Connection possible to the Administration portal with a revoked certificate

Published Jul 1, 2026 · Updated Jul 1, 2026 · Assigned by airbus

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.

Affected products

VendorProductAffectedFixed
Stormshield Stormshield Network Security 4.3.0 – ≤ 4.3.41, 4.4.0 – ≤ 4.8.15, 5.0.2 EA – ≤ 5.0.5 —

References