CVE-2026-8480

mediumCVSS 4.3covered by 1 sourcefirst seen 2026-07-01

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.

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Exploitation outlook

Low exploitation risk0.09% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 0% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-8480: A vulnerability was discovered on Stormshield Network Security 4.3.0 to 4.3.41 (included), 4.4.…nvd · 2026-07-01

External references

NVD record for CVE-2026-8480

CVE.org record

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