Vulnerability-Lookup

JVNDB-2026-000012

Vulnerability from jvndb - Published: 2026-02-02 15:18 - Updated:2026-02-02 15:18

Severity ?

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

Summary

Multiple vulnerabilities in Cybozu Garoon

Details

Cybozu Garoon provided by Cybozu, Inc. contains multiple vulnerabilities listed below.

[CyVDB-3687]Cross-site scripting vulnerability in E-mail (CWE-79) - CVE-2026-20711
[CyVDB-3689]Cross-site scripting vulnerability in Message (CWE-79) - CVE-2026-22881
[CyVDB-3995]Improper input verification in Portal setting (CWE-231) - CVE-2026-22888

CVE-2026-20711 Masato Kinugawa reported this vulnerability to Cybozu, Inc. and Cybozu, Inc. reported it to JPCERT/CC to notify users of its solution through JVN. CVE-2026-22881, CVE-2026-22888 Cybozu, Inc. reported these vulnerabilities to JPCERT/CC to notify users of the solutions through JVN.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN35265756/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-20711
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-22881
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-22888
	Cross-site Scripting(CWE-79)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

Cybozu, Inc.

Cybozu Garoon

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000012.html",
  "dc:date": "2026-02-02T15:18+09:00",
  "dcterms:issued": "2026-02-02T15:18+09:00",
  "dcterms:modified": "2026-02-02T15:18+09:00",
  "description": "Cybozu Garoon provided by Cybozu, Inc. contains multiple vulnerabilities listed below.\r\n\u003cul\u003e\u003cli\u003e[CyVDB-3687]Cross-site scripting vulnerability in E-mail (CWE-79) - CVE-2026-20711\u003c/li\u003e\u003cli\u003e[CyVDB-3689]Cross-site scripting vulnerability in Message (CWE-79) - CVE-2026-22881\u003c/li\u003e\u003cli\u003e[CyVDB-3995]Improper input verification in Portal setting (CWE-231) - CVE-2026-22888\u003c/li\u003e\u003c/ul\u003eCVE-2026-20711\r\nMasato Kinugawa reported this vulnerability to Cybozu, Inc. and Cybozu, Inc. reported it to JPCERT/CC to notify users of its solution through JVN.\r\n\r\nCVE-2026-22881, CVE-2026-22888\r\nCybozu, Inc. reported these vulnerabilities to JPCERT/CC to notify users of the solutions through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000012.html",
  "sec:cpe": {
    "#text": "cpe:/a:cybozu:garoon",
    "@product": "Cybozu Garoon",
    "@vendor": "Cybozu, Inc.",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "6.5",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000012",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN35265756/index.html",
      "@id": "JVN#35265756",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-20711",
      "@id": "CVE-2026-20711",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-22881",
      "@id": "CVE-2026-22881",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-22888",
      "@id": "CVE-2026-22888",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-79",
      "@title": "Cross-site Scripting(CWE-79)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Multiple vulnerabilities in Cybozu Garoon"
}

CVE-2026-22888 (GCVE-0-2026-22888)

Vulnerability from cvelistv5 – Published: 2026-02-02 06:37 – Updated: 2026-02-02 16:28

Summary

Improper input verification issue exists in Cybozu Garoon 5.0.0 to 6.0.3, which may lead to unauthorized alteration of portal settings, potentially blocking access to the product.

Severity ?

4.9 (Medium)


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

6.9 (Medium)


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

CWE

CWE-231 - Improper handling of extra values

Assigner

jpcert

References

URL

Tags

	https://kb.cybozu.support/article/39083/
	https://jvn.jp/en/jp/JVN35265756/

Impacted products

	Vendor	Product	Version
	Cybozu, Inc.	Cybozu Garoon	Affected: 5.0.0 to 6.0.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-22888",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "no"
                  },
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                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-02T15:13:27.952765Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2026-02-02T16:28:09.211Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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          "vendor": "Cybozu, Inc.",
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          "cvssV3_0": {
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
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    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
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    "datePublished": "2026-02-02T06:37:33.802Z",
    "dateReserved": "2026-01-27T00:34:57.984Z",
    "dateUpdated": "2026-02-02T16:28:09.211Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-22881 (GCVE-0-2026-22881)

Vulnerability from cvelistv5 – Published: 2026-02-02 06:37 – Updated: 2026-02-02 16:28

Summary

Cross-site scripting vulnerability exists in Message function of Cybozu Garoon 5.15.0 to 6.0.3, which may allow an attacker to reset arbitrary users’ passwords.

Severity ?

5.7 (Medium)


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

6.8 (Medium)


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

CWE

CWE-79 - Cross-site scripting (XSS)

Assigner

jpcert

References

URL

Tags

	https://kb.cybozu.support/article/39084/
	https://jvn.jp/en/jp/JVN35265756/

Impacted products

	Vendor	Product	Version
	Cybozu, Inc.	Cybozu Garoon	Affected: 5.15.0 to 6.0.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-22881",
                "options": [
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                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-02T15:13:50.929520Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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    "cna": {
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          "versions": [
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            }
          ]
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      "descriptions": [
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          "value": "Cross-site scripting vulnerability exists in Message function of Cybozu Garoon 5.15.0 to 6.0.3, which may allow an attacker to reset arbitrary users\u2019 passwords."
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      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
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    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
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    "dateReserved": "2026-01-27T00:34:57.021Z",
    "dateUpdated": "2026-02-02T16:28:15.355Z",
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  },
  "dataType": "CVE_RECORD",
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}

CVE-2026-20711 (GCVE-0-2026-20711)

Vulnerability from cvelistv5 – Published: 2026-02-02 06:37 – Updated: 2026-02-02 16:28

Summary

Cross-site scripting vulnerability exists in E-mail function of Cybozu Garoon 5.0.0 to 6.0.3, which may allow an attacker to reset arbitrary users’ passwords.

Severity ?

6.5 (Medium)


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

6.9 (Medium)


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

CWE

CWE-79 - Cross-site scripting (XSS)

Assigner

jpcert

References

URL

Tags

	https://kb.cybozu.support/article/39081/
	https://jvn.jp/en/jp/JVN35265756/

Impacted products

	Vendor	Product	Version
	Cybozu, Inc.	Cybozu Garoon	Affected: 5.0.0 to 6.0.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-20711",
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}

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

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.

Action not permitted

JVNDB-2026-000012

CVE-2026-22888 (GCVE-0-2026-22888)

CVE-2026-22881 (GCVE-0-2026-22881)

CVE-2026-20711 (GCVE-0-2026-20711)

Tags

Sightings

Nomenclature