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    CVE-2026-8480

    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.

    Published:Jul 1, 2026
    Last Modified:Jul 1, 2026
    EPS:Jul 1, 2026
    EPSS Score:
    CVSS Score:4.3

    Affected Products

    Vendor
    Stormshield
    Product
    Stormshield Network Security

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    Related CVEs

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    CVE-2026-8482 (CVSS 4.3) — A vulnerability was discovered on StormShield Network Security 4.3.0 to 4.3.41 (included), 4.8.0 to 4.8.15 (in…
    CVE-2026-8474 (CVSS 5.3) — A vulnerability was discovered on Stormshield Network Security  * 4.3.0 to 4.3.41,  * 4.8.0 to 4.8.…
    CVE-2025-48707 (CVSS 7.5) — An issue was discovered in Stormshield Network Security (SNS) before 5.0.1. TPM authentication information cou…
    CVE-2024-37386 (CVSS 4.2) — An issue was discovered in Stormshield Network Security (SNS) 4.0.0 through 4.3.25, 4.4.0 through 4.7.5, and 4…
    CVE-2023-28616 (CVSS 7.5) — An issue was discovered in Stormshield Network Security (SNS) before 4.3.17, 4.4.x through 4.6.x before 4.6.4,…
    CVE-2023-47091 (CVSS 7.5) — An issue was discovered in Stormshield Network Security (SNS) SNS 4.3.13 through 4.3.22 before 4.3.23, SNS 4.6…
    CVE-2023-34198 (CVSS 7.3) — In Stormshield Network Security (SNS) 1.0.0 through 3.7.36 before 3.7.37, 3.8.0 through 3.11.24 before 3.11.25…
    CVE-2023-41165 (CVSS 4.8) — An issue was discovered in Stormshield Network Security (SNS) 3.7.0 through 3.7.38 before 3.7.39, 3.10.0 throu…
    CVE-2023-47093 (CVSS 6.5) — An issue was discovered in Stormshield Network Security (SNS) 4.0.0 through 4.3.21, 4.4.0 through 4.6.8, and 4…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High