Kiteworks Email Protection Gateway Arbitrary File Write through Server-Side Template Injection
An authenticated Email Protection Gateway administrator holding only limited, delegated permissions could write files with attacker-controlled content to arbitrary locations accessible to the Email Protection Gateway service account. This exceeds the administrator's intended privileges and could be used to alter application files and configuration or to disrupt the availability of the service.
CVE-2026-102146
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-2026-102146
Email Protection Gateway
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": "Kiteworks",
"product": "Email Protection Gateway",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "9.5.1",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "9.5.1"
}
],
"defaultStatus": "unknown"
}
]- Related CVEs
- CVE-2026-102146
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #5175 · Revision 1
- Added to Heist Feed
- Publisher date