Vulnerability-Lookup

JVNDB-2026-000102

Vulnerability from jvndb - Published: 2026-07-23 15:08 - Updated:2026-07-23 15:08

Severity

5.8 (Medium) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Summary

Ricoh printers and Multifunction Printers (MFPs) missing restriction on SSH port forwarding

Details

Some series of printers and Multifunction Printers (MFPs) provided by Ricoh Company, Ltd. provide SSH service, but no restriction is implemented on SSH port forwarding.

Improper restriction of communication channel to intended endpoints (CWE-923) - CVE-2026-63226

Brandon Roach and Bryan Clements of Pathfynder.io reported this vulnerability to Ricoh Company, Ltd. and coordinated. After the coordination was completed, Ricoh Company, Ltd. reported the case to JPCERT/CC to notify users of the solution through JVN.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN32082029/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-63226
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

Ricoh Co., Ltd

(multiple product)

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000102.html",
  "dc:date": "2026-07-23T15:08+09:00",
  "dcterms:issued": "2026-07-23T15:08+09:00",
  "dcterms:modified": "2026-07-23T15:08+09:00",
  "description": "Some series of printers and Multifunction Printers (MFPs) provided by Ricoh Company, Ltd. provide SSH service, but no restriction is implemented on SSH port forwarding.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/923.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eImproper restriction of communication channel to intended endpoints (CWE-923) - CVE-2026-63226\u003c/li\u003e\u003c/ul\u003eBrandon Roach and Bryan Clements of Pathfynder.io reported this vulnerability to Ricoh Company, Ltd. and coordinated. After the coordination was completed, Ricoh Company, Ltd. reported the case to JPCERT/CC to notify users of the solution through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000102.html",
  "sec:cpe": {
    "#text": "cpe:/a:ricoh:multiple_product",
    "@product": "(multiple product)",
    "@vendor": "Ricoh Co., Ltd",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "5.8",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000102",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN32082029/index.html",
      "@id": "JVN#32082029",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-63226",
      "@id": "CVE-2026-63226",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Ricoh printers and Multifunction Printers (MFPs) missing restriction on SSH port forwarding"
}

CVE-2026-63226 (GCVE-0-2026-63226)

Vulnerability from cvelistv5 – Published: 2026-07-23 05:28 – Updated: 2026-07-23 14:14

Summary

Printers and Multifunction Printers (MFPs) provided by Ricoh Company, Ltd. do not implement restrictions on SSH port forwarding, allowing to connect to arbitrary destinations. When SSH is enabled on an affected product, SSH port forwarding may be leveraged to connect to other node on the LAN.

Severity

5.8 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-923 - Improper restriction of communication channel to intended endpoints

Assigner

jpcert

References

3 references

URL	Tags
https://www.ricoh.com/products/security/vulnerabi…
https://jp.ricoh.com/security/products/vulnerabil…
https://jvn.jp/en/jp/JVN32082029/

Impacted products

1 product

Vendor	Product	Version
Ricoh Company	Ricoh printers and Multifunction Printers (MFPs)	Affected: refer to the information provided by the developer.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-63226",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-23T14:14:00.249559Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-23T14:14:15.963Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Ricoh printers and Multifunction Printers (MFPs)",
          "vendor": "Ricoh Company",
          "versions": [
            {
              "status": "affected",
              "version": "refer to the information provided by the developer."
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Printers and Multifunction Printers (MFPs) provided by Ricoh Company, Ltd. do not implement restrictions on SSH port forwarding, allowing to connect to arbitrary destinations. When SSH is enabled on an affected product, SSH port forwarding may be leveraged to connect to other node on the LAN."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "Improper restriction of communication channel to intended endpoints",
              "lang": "en-US",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-23T05:28:37.714Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2026-000006"
        },
        {
          "url": "https://jp.ricoh.com/security/products/vulnerabilities/vul?id=ricoh-2026-000006"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN32082029/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-63226",
    "datePublished": "2026-07-23T05:28:37.714Z",
    "dateReserved": "2026-07-16T01:18:29.934Z",
    "dateUpdated": "2026-07-23T14:14:15.963Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

JVNDB-2026-000102

CVE-2026-63226 (GCVE-0-2026-63226)

Tags

Sightings

Nomenclature