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High

Kiteworks Email Protection Gateway Improper Handling of Case Sensitivity

Type: advisorySource: Official CVE List1 source record

Kiteworks Email Protection Gateway rejected certain configuration settings, but its validation did not recognize every form in which they could be supplied. An authenticated administrator could potentially use an unrecognized form to have a file of their choosing written to the gateway and executed, resulting in code execution as the gateway service account.

Announced Source revision 1
Original source ↗

CVE-2026-102131

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-2026-102131

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": "9.5.0",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "9.5.0"
      }
    ],
    "defaultStatus": "unknown"
  }
]
Related CVEs
CVE-2026-102131

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#5164 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement