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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

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References
Link Providers
https://jvn.jp/en/jp/JVN35265756/ cve-icon cve-icon
https://kb.cybozu.support/article/39083/ cve-icon cve-icon
History

Mon, 02 Feb 2026 06:45:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-231
References
Metrics cvssV3_0

{'score': 4.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.9, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-02-02T06:37:33.802Z

Reserved: 2026-01-27T00:34:57.984Z

Link: CVE-2026-22888

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-02T07:16:45.523

Modified: 2026-02-02T07:16:45.523

Link: CVE-2026-22888

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.