PT-2026-54932 · Stormshield · Stormshield Network Security

Published 2026-07-01 · Updated 2026-07-01 · CVE-2026-8480

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Stormshield Network Security versions 4.3.0 through 4.3.41 Stormshield Network Security versions 4.4.0 through 4.8.15 Stormshield Network Security versions 5.0.2 EA through 5.0.5

Description A flaw exists in the captive-admin portal that allows authentication using a revoked client certificate. An attacker possessing such a certificate can bypass security checks to gain administrative access to the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2026-8480

Affected Products

Stormshield Network Security

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-8480 · Security Note
• https://advisories.stormshield.eu/2026-002 · Note
• https://t.me/CVEtracker/58571 · Telegram Post
• https://t.me/cveNotify/184118 · Telegram Post