High
Improper Signature Verification of Firmware Update Files
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.
Announced Group revision 1
Original source ↗CVE-2026-111090
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-111090
Stormshield Network Security
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Stormshield",
"product": "Stormshield Network Security",
"versions": [
{
"status": "affected",
"version": "4.3.0",
"versionType": "semver",
"lessThanOrEqual": "4.3.44"
},
{
"status": "affected",
"version": "4.8.0",
"versionType": "semver",
"lessThanOrEqual": "4.8.19"
},
{
"status": "affected",
"version": "5.0.0",
"versionType": "semver",
"lessThanOrEqual": "5.0.9"
},
{
"status": "affected",
"version": "5.1.0",
"versionType": "semver",
"lessThanOrEqual": "5.1.3"
},
{
"status": "unaffected",
"version": "4.8.20 LTSB",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.0.10",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.1.4 EA",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.3.45 QS",
"versionType": "semver"
}
],
"defaultStatus": "unknown"
}
]- Related CVEs
- CVE-2026-111090
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #42520 · Revision 1
- Added to Heist Feed
- Publisher date