{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-21409", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2025-12-24T07:24:57.904Z", "datePublished": "2026-01-09T07:15:52.994Z", "dateUpdated": "2026-01-09T18:11:55.373Z" }, "containers": { "cna": { "affected": [ { "vendor": "Ricoh Company, Ltd.", "product": "RICOH Streamline NX", "versions": [ { "version": "3.5.1 to 24R3", "status": "affected" } ] } ], "descriptions": [ { "lang": "en", "value": "Improper authorization vulnerability exists in RICOH Streamline NX 3.5.1 to 24R3. If a man-in-the-middle attack is conducted on the communication between the affected product and its user, and some crafted request is processed by the product, the user's registration information and/or OIDC (OpenID Connect) tokens may be retrieved." } ], "problemTypes": [ { "descriptions": [ { "description": "Authorization bypass through user-controlled key", "lang": "en-US", "cweId": "CWE-639", "type": "CWE" } ] } ], "references": [ { "url": "https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2025-000011" }, { "url": "https://jvn.jp/en/jp/JVN12770174/" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ], "cvssV3_0": { "version": "3.0", "baseSeverity": "MEDIUM", "baseScore": 5.9, "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N" } }, { "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ], "cvssV4_0": { "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N" } } ], "providerMetadata": { "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2026-01-09T07:15:52.994Z" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-09T18:11:32.736478Z", "id": "CVE-2026-21409", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-09T18:11:55.373Z" } } ] } }