Medium severity · published Sep 4, 2026
CVE-2026-14466
Possible XSS in the SNS web administration panel
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
It’s possible to run a stored XSS in Stormshield’s web administration panel.
To exploit this vulnerability, a SNS administrator with appropriate permissions must inject some malicious script in a group’s comments in the webservices administration interface.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Stormshield Network Security · Stormshield
4.8.0 through 4.8.16; 5.0.0 through 5.0.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-14466
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-14466
advisories.stormshield.eu
https://advisories.stormshield.eu/2026-006
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