{"schema":"threatline.record/2","record":{"id":"CVE-2026-102139","aliases":["GHSA-fp46-xhg8-vpgm"],"summary":"Kiteworks Email Protection Gateway Incorrect Authorization","details":"An authorization check in the large file exchange feature of Kiteworks Email Protection Gateway did not correctly establish that the requesting user was a party to the package being requested. An authenticated user of that optional feature could read the subject, message body, and attachments of packages they neither sent nor received.","categories":["Network & edge"],"product":"Email Protection Gateway","vendor":"Kiteworks","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102139","source_modified_at":"2026-10-01T13:37:07.509Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Email Protection Gateway","vendor":"Kiteworks","versions":[{"version":"0","status":"affected","lessThan":"9.5.1","versionType":"custom"},{"version":"9.5.1","status":"unaffected"}],"defaultStatus":"unknown"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102139","source_modified_at":"2026-10-01T13:37:07.509Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Email Protection Gateway","ecosystem":null},"version":"9.5.1","basis":"first unaffected version stated in the CVE record"}],"cvss":6.5,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00394,"percentile":0.32485,"score_date":"2026-10-23"},"published_at":"2026-09-30T20:11:17.678Z","modified_at":"2026-10-01T13:37:07.509Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102139","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T13:37:07.509Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-102139","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-fp46-xhg8-vpgm"},{"source":"CVE List","url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-01T13:26:22.762488Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T13:37:07.509Z","content_hash":"dfcf4c047b41e91a75619563adc5db771bd46d5d31b0715c585f84c5473e554a"}}