Answer in brief
CVE-2026-111090 records a High severity (CVSS 7.8) vulnerability in Improper Signature Verification of Firmware Update Files. The current sources do not mark it as known exploited. The current feed maps Stormshield/Stormshield Network Security (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Stormshield/Stormshield Network Security (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Stormshield/Stormshield Network Securitygeneric | >=4.3.0 <=4.3.44 || >=4.8.0 <=4.8.19 || >=5.0.0 <=5.0.9 || >=5.1.0 <=5.1.3 | Not reported |
Published upstream
Oct 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 20, 2026
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.
Quoted source text, attributed separately from HOL analysis.