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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

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 Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0001.

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
Cybozu Garoon Subscribe
Garoon Subscribe

Project Subscriptions

Vendors Products
Cybozu Subscribe
Cybozu Garoon 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/39081/ 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': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

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

Type Values Removed Values Added
First Time appeared Cybozu
Cybozu cybozu Garoon
Cybozu garoon
Vendors & Products Cybozu
Cybozu cybozu Garoon
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 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.
Weaknesses CWE-79
References
Metrics cvssV3_0

{'score': 6.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 6.9, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-02-02T16:28:24.555Z

Reserved: 2026-01-27T00:30:57.072Z

Link: CVE-2026-20711

cve-icon Vulnrichment

Updated: 2026-02-02T16:05:16.230Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-02T07:16:45.100

Modified: 2026-02-19T15:06:02.143

Link: CVE-2026-20711

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-04T12:45:07Z

Weaknesses