Vulnerability · Published Jul 1, 2026 · Assigned by airbus
CVE-2026-8480Connection possible to the Administration portal with a revoked certificate
Medium 4.3
In plain English
A medium-severity improper certificate validation in Stormshield Network Security from Stormshield. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Stormshield | Stormshield Network Security | 4.3.0 – through 4.3.414.4.0 – through 4.8.155.0.2 EA – through 5.0.5 |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N