{"id":"CVE-2026-102127","aliases":["EUVD-2026-90290"],"status":"published","title":"Kiteworks Email Protection Gateway Improper Restriction of XML External Entity Reference","description":"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.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00191,"percentile":0.08895,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2026-09-30T20:14:56Z","modified":"2026-10-08T13:43:55Z","products":[{"vendor":"accellion","product":"kiteworks"},{"vendor":"kiteworks","product":"email protection gateway"}],"references":[{"url":"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-9jwc-h943-6f84","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json","tags":["third-party-advisory","Broken Link"]}],"sources":{"cve":[{"id":"CVE-2026-102127","title":"Kiteworks Email Protection Gateway Improper Restriction of XML External Entity Reference","description":"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.","status":"published","published":"2026-09-30T20:14:56.156Z","modified":"2026-10-01T13:37:05.291Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T13:39:05.585774Z"}],"euvd":[{"id":"EUVD-2026-90290","description":"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.","status":"published","published":"2026-09-30T20:14:56Z","modified":"2026-10-01T13:37:05Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T17:27:46.15359Z"}],"nvd":[{"id":"CVE-2026-102127","description":"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.","status":"published","published":"2026-09-30T21:17:01.117Z","modified":"2026-10-08T13:43:55.813Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:12:53.097633Z"}]}}