CVE-2026-102103

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102103", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "state": "PUBLISHED", "assignerShortName": "cisa-cg", "dateReserved": "2026-09-28T17:39:13.561Z", "datePublished": "2026-09-30T20:16:00.743Z", "dateUpdated": "2026-10-01T13:37:04.650Z"}, "containers": {"cna": {"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"}]}], "problemTypes": [{"descriptions": [{"description": "CWE-918 Server-Side Request Forgery (SSRF)", "lang": "en", "type": "CWE", "cweId": "CWE-918"}]}], "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"}}], "title": "Kiteworks Email Protection Gateway server-side request forgery", "references": [{"name": "url", "url": "https://github.com/kiteworks/security-advisories/security/advisories/GHSA-p435-6c3j-4gh5", "tags": ["vendor-advisory"]}, {"name": "url", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "VINCE-NT 1.15.0+build.145"}, "datePublic": "2026-09-30T00:00:00.000Z", "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2026-09-30T20:16:00.743Z"}}, "adp": [{"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"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-01T13:37:04.650Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"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": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-01T13:31:56.513Z"}}], "cna": {"title": "Kiteworks Email Protection Gateway server-side request forgery", "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"}}], "affected": [{"vendor": "Kiteworks", "product": "Email Protection Gateway", "versions": [{"status": "affected", "version": "0", "lessThan": "9.5.0", "versionType": "custom"}, {"status": "unaffected", "version": "9.5.0"}], "defaultStatus": "unknown"}], "datePublic": "2026-09-30T00:00:00.000Z", "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"]}], "x_generator": {"engine": "VINCE-NT 1.15.0+build.145"}, "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-918", "description": "CWE-918 Server-Side Request Forgery (SSRF)"}]}], "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2026-09-30T20:16:00.743Z"}}}, "cveMetadata": {"cveId": "CVE-2026-102103", "state": "PUBLISHED", "dateUpdated": "2026-10-01T13:37:04.650Z", "dateReserved": "2026-09-28T17:39:13.561Z", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "datePublished": "2026-09-30T20:16:00.743Z", "assignerShortName": "cisa-cg"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Email Protection Gateway", "vendor": "Kiteworks", "versions": [{"lessThan": "9.5.0", "status": "affected", "version": "0", "versionType": "custom"}, {"status": "unaffected", "version": "9.5.0"}]}], "source": "9119a7d8-5eab-497f-8521-727c672e3725"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:*", "matchCriteriaId": "2B7F84D9-5921-4C79-9B9D-628CC0EB3665", "versionEndExcluding": "9.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2026-102103", "lastModified": "2026-10-08T13:43:14.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-102103", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-01T13:22:45.904134Z", "version": "2.0.3"}}]}, "published": "2026-09-30T21:16:57.127", "references": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "tags": ["Vendor Advisory"], "url": "https://github.com/kiteworks/security-advisories/security/advisories/GHSA-p435-6c3j-4gh5"}, {"source": "9119a7d8-5eab-497f-8521-727c672e3725", "tags": ["Broken Link"], "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json"}], "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,9.5.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "9.5.0"}}], "enrichment": {"confidence": 87.0, "confidence_source": "matching", "scores": [{"score": 87.0, "source": "matching"}]}, "original": {"product": "Email Protection Gateway", "source": "cna", "vendor": "Kiteworks"}, "product": "kiteworks_email_protection_gateway", "vendor": "kiteworks"}], "created": "2026-09-30T22:00:16.636045+00:00", "updated": "2026-10-01T15:30:08.266571+00:00", "vendors": ["kiteworks", "kiteworks$PRODUCT$kiteworks_email_protection_gateway"]}