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High · 7.8 CVE-2026-111090 EUVD-2026-104828GHSA-cg8h-hvwf-mx5f

Improper Signature Verification of Firmware Update Files

Published Oct 20, 2026 · Updated Oct 20, 2026 · Assigned by airbus

Description

A logic error exists in the signature verification routine resulting in acceptance of unauthenticated update and license files.It is necessary to use only the MyStormshield servers to retrieve update files or licenses, or to use automatic verification via SNS.

Affected products

VendorProductAffectedFixed
Stormshield Stormshield Network Security 4.3.0 – ≤ 4.3.44, 4.8.0 – ≤ 4.8.19, 5.0.0 – ≤ 5.0.9, 5.1.0 – ≤ 5.1.3 4.8.20 LTSB

References