CVE-2026-8480 — Connection possible to the Administration portal with a revoked certificate

CVE-2026-8480

Connection possible to the Administration portal with a revoked certificate PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Stormshield / Stormshield Network Security	affected 4.3.0 through 4.3.41; affected 4.4.0 through 4.8.15; affected 5.0.2 EA through 5.0.5

CWE

CWE-295

References

https://advisories.stormshield.eu/2026-002/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.