Answer in brief
CVE-2026-102143 records a High severity (CVSS 7.5) vulnerability in Kiteworks Email Protection Gateway Unrestricted Upload of File with Dangerous Type. The current sources do not mark it as known exploited. The current feed maps Kiteworks/Email Protection Gateway (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Kiteworks/Email Protection Gateway (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Kiteworks/Email Protection Gatewaygeneric | >=0 <9.5.1 | 9.5.1 |
Published upstream
Sep 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 30, 2026
An unauthenticated attacker could cause a file with attacker-controlled content to be written to the appliance filesystem through an administrative upload handler that did not properly authenticate the request. This did not by itself result in code execution, which would require a separate vulnerability to place the file in an executable location.
Quoted source text, attributed separately from HOL analysis.