CVE-2026-21409
- State
- Published
- Severity
- 8.2 High
- Published
- Jan 9, 2026
- Updated
- Jan 9, 2026
- Reserved
- Dec 24, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.2 High | 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 | jpcert |
| 3.0 | 5.9 Medium | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | jpcert |
Weaknesses
- CWE-639 Authorization bypass through user-controlled key
Affected Products
| Product | Versions |
|---|---|
RICOH Streamline NXRicoh Company, Ltd. |
|
References
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