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.

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

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.

The EPSS score is 0.00016.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Cybozu, Inc. Cybozu Garoon affected
Version Status Constraints
5.0.0 to 6.0.3 affected —

Configuration 1 [-]

cpe:2.3:a:cybozu:garoon:*:*:*:*:*:*:*:*

No data.

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Vendors Products
Cybozu Subscribe
Garoon Subscribe

Project Subscriptions

Vendors Products
Cybozu Subscribe
Garoon Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Thu, 19 Feb 2026 15:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:cybozu:garoon:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Wed, 04 Feb 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Cybozu
Cybozu garoon
Vendors & Products Cybozu
Cybozu garoon

Mon, 02 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-02-02T16:28:09.211Z

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

Link: CVE-2026-22888

cve-icon Vulnrichment

Updated: 2026-02-02T15:13:43.255Z

cve-icon NVD

Status : Analyzed

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

Modified: 2026-02-19T14:53:03.017

Link: CVE-2026-22888

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-04T12:45:03Z

Weaknesses