Ghostwire

CVE-2026-111090: A logic error exists in the signature verification routine resulting in acceptance of unauthenticated update and license...

HIGH CVSS 7.8 Exploit Available

Published: October 20, 2026 | Last Modified: October 20, 2026

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.

Ghostwire Analysis — What This Means Practically

High CVSS score indicates significant risk — exploitation could lead to substantial data exposure or system compromise.
Exploit code is reported to be available, increasing the likelihood of active exploitation.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References

advisories.stormshield.eu/2026-031/
www.tenable.com/cve/CVE-2026-111090
www.cnnvd.org.cn/home/globalSearch?keyword=CVE-2026-111090