Vulnerability · Published Oct 20, 2026 · Assigned by airbus
CVE-2026-113469Improper Signature Verification of Active Update Files
High 7.5
In plain English
A high-severity improper authentication in Stormshield Network Security from Stormshield. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 90.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A failure has been identified in the SNS during dynamic data files signature check. A logic error in the signature verification routine resulting in acceptance of unauthenticated dynamic data update during Autoupdate routine.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Stormshield | Stormshield Network Security | 4.3.0 – through 4.3.444.8.0 – through 4.8.195.0.0 – through 5.0.95.1.0 – through 5.1.3 |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H