{"id":"CVE-2026-102103","state":"PUBLISHED","title":"Kiteworks Email Protection Gateway server-side request forgery","description":"Kiteworks Email Protection Gateway before version 9.5.0 is vulnerable to Server-Side Request Forgery (SSRF). A server-side request forgery (SSRF) weakness in Kiteworks Email Protection Gateway could allow a remote, unauthenticated attacker to induce the gateway to issue crafted requests to internal or otherwise unintended network destinations. The requests are triggered while the gateway retrieves a certificate revocation list in an inbound message. Depending on the services reachable from the gateway, this could disclose sensitive internal information or disrupt gateway operation.","publishedAt":"2026-09-30T20:16:00.743Z","updatedAt":"2026-10-01T13:37:04.650Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","source":"cisa-cg"},"assigner":"cisa-cg","products":["Kiteworks Email Protection Gateway"],"affected":[{"vendor":"Kiteworks","product":"Email Protection Gateway","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"9.5.0","versionType":"custom"},{"version":"9.5.0","status":"unaffected"}]}],"references":["https://github.com/kiteworks/security-advisories/security/advisories/GHSA-p435-6c3j-4gh5","https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/102xxx/CVE-2026-102103.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102103","state":"PUBLISHED","datePublished":"2026-09-30T20:16:00.743Z","dateUpdated":"2026-10-01T13:37:04.650Z","assignerShortName":"cisa-cg","assignerOrgId":"9119a7d8-5eab-497f-8521-727c672e3725","dateReserved":"2026-09-28T17:39:13.561Z"},"containers":{"cna":{"title":"Kiteworks Email Protection Gateway server-side request forgery","descriptions":[{"lang":"en","value":"Kiteworks Email Protection Gateway before version 9.5.0 is vulnerable to Server-Side Request Forgery (SSRF). A server-side request forgery (SSRF) weakness in Kiteworks Email Protection Gateway could allow a remote, unauthenticated attacker to induce the gateway to issue crafted requests to internal or otherwise unintended network destinations. The requests are triggered while the gateway retrieves a certificate revocation list in an inbound message. Depending on the services reachable from the gateway, this could disclose sensitive internal information or disrupt gateway operation."}],"affected":[{"vendor":"Kiteworks","product":"Email Protection Gateway","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"9.5.0","versionType":"custom"},{"version":"9.5.0","status":"unaffected"}]}],"references":[{"url":"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-p435-6c3j-4gh5","name":"url","tags":["vendor-advisory"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json","name":"url","tags":["third-party-advisory"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"cisa-cg","orgId":"9119a7d8-5eab-497f-8521-727c672e3725","dateUpdated":"2026-09-30T20:16:00.743Z"},"x_generator":{"engine":"VINCE-NT 1.15.0+build.145"},"datePublic":"2026-09-30T00:00:00.000Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-102103","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-01T13:22:45.904134Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-01T13:37:04.650Z"}}]}}}