Vulnerability-Lookup

JVNDB-2026-000107

Vulnerability from jvndb - Published: 2026-08-04 05:15 - Updated:2026-08-04 05:15

Severity

7.2 (High) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Summary

freo2 vulnerable to unrestricted upload of file with dangerous type

Details

freo2 provided by refirio is a content management system written in PHP. freo2 contains the following vulnerability.

Unrestricted upload of file with dangerous type (CWE-434) - CVE-2026-67243

Kazuki Ozawa of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN52865575/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-67243
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

refirio

freo2

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000107.html",
  "dc:date": "2026-08-04T14:15+09:00",
  "dcterms:issued": "2026-08-04T14:15+09:00",
  "dcterms:modified": "2026-08-04T14:15+09:00",
  "description": "freo2 provided by refirio is a content management system written in PHP. freo2 contains the following vulnerability.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/434.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eUnrestricted upload of file with dangerous type (CWE-434) - CVE-2026-67243\u003c/li\u003e\u003c/ul\u003eKazuki Ozawa of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000107.html",
  "sec:cpe": {
    "#text": "cpe:/a:misc:refirio_freo2",
    "@product": "freo2",
    "@vendor": "refirio",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "7.2",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000107",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN52865575/index.html",
      "@id": "JVN#52865575",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-67243",
      "@id": "CVE-2026-67243",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "freo2 vulnerable to unrestricted upload of file with dangerous type"
}

CVE-2026-67243 (GCVE-0-2026-67243)

Vulnerability from cvelistv5 – Published: 2026-08-04 06:38 – Updated: 2026-08-04 13:45

Summary

freo2 provided by refirio contains an unrestricted upload of file with dangerous type vulnerability. A user with the highest-level administrative privileges for the product may upload an executable file and execute arbitrary OS commands.

Severity

7.2 (High)


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

8.6 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-04 13:40 UTC

CWE

CWE-434 - Unrestricted upload of file with dangerous type

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://github.com/refirio/freo2/commits/main/
https://jvn.jp/en/jp/JVN52865575/

Impacted products

1 product

Vendor	Product	Version
refirio	freo2	Affected: 0 , < Ver 2.0.0-alpha-14 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-67243",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-04T13:40:58.371386Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-04T13:45:29.365Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "freo2",
          "vendor": "refirio",
          "versions": [
            {
              "lessThan": "Ver 2.0.0-alpha-14",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "freo2 provided by refirio contains an unrestricted upload of file with dangerous type vulnerability. A user with the highest-level administrative privileges for the product may upload an executable file and execute arbitrary OS commands."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
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      "problemTypes": [
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              "description": "Unrestricted upload of file with dangerous type",
              "lang": "en-US",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-04T06:38:25.179Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://github.com/refirio/freo2/commits/main/"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN52865575/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-67243",
    "datePublished": "2026-08-04T06:38:25.179Z",
    "dateReserved": "2026-07-28T23:15:40.868Z",
    "dateUpdated": "2026-08-04T13:45:29.365Z",
    "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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.