CVE-2025-54461

Published: Oct 16, 2025

Modified: Oct 16, 2025

PUBLISHED

CVSS v3.0

5.3

MEDIUM

Description

ChatLuck contains an insufficient granularity of access control vulnerability in Invitation of Guest Users. If exploited, an uninvited guest user may register itself as a guest user.

Vendor	Product	Versions
NEOJAPAN Inc.	ChatLuck	affected `V6.6 R2.0 and earlier`

Weaknesses (CWE)

CWE-1220

CVSS v3.0 Details

CVSS v3.0 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

https://www.chatluck.com/support/package/mainte/pchatluck-%e8%a3%bd%e5%93%81%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%80%81%e8%a4%87%e6%95%b0%e3%81%ae%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e4%b8%8a%e3%81%ae%e5%95%8f%e9%a1%8c%e3%81%ab/

https://jvn.jp/en/jp/JVN13030751/

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now

CVE-2025-54461

Description

Affected Products

Weaknesses (CWE)

CVSS v3.0 Details

References