Vulnerability Details CVE-2026-102127
An XML parser used by Kiteworks Email Protection Gateway did not restrict external entity references. Where an optional, non-default message-processing feature is enabled, a remote and unauthenticated sender could potentially use a crafted message to read files accessible to the gateway service account, including cryptographic key material and credentials, and have them sent to a destination they control.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 8.1%
CVSS Severity
CVSS v3 Score 7.0
References
Products affected by CVE-2026-102127
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cpe:2.3:a:accellion:kiteworks:7.3.0
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cpe:2.3:a:accellion:kiteworks:7.3.1
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cpe:2.3:a:accellion:kiteworks:7.3.2
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cpe:2.3:a:accellion:kiteworks:7.4.0
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cpe:2.3:a:accellion:kiteworks:9.1.0
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cpe:2.3:a:accellion:kiteworks:9.2.0
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cpe:2.3:a:accellion:kiteworks:9.2.1
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cpe:2.3:a:accellion:kiteworks:9.3.0