CVE-2025-54461
Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-10-16

Last updated on: 2025-10-16

Assigner: JPCERT/CC

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.

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Meta Information

Published
2025-10-16
Last Modified
2025-10-16
Generated
2026-07-06
AI Q&A
2025-10-16
EPSS Evaluated
2026-07-05
NVD
CVE-2025-54461
EUVD
EUVD-2025-34738

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
neojapan chatluck 3.6
neojapan chatluck 6.6
neojapan chatluck 6.6
neojapan chatluck 6.7

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-1220 The product implements access controls via a policy or other feature with the intention to disable or restrict accesses (reads and/or writes) to assets in a system from untrusted agents. However, implemented access controls lack required granularity, which renders the control policy too broad because it allows accesses from unauthorized agents to the security-sensitive assets.

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Executive Summary

This vulnerability in ChatLuck involves insufficient granularity of access control in the Invitation of Guest Users feature. It allows an uninvited user to register themselves as a guest user without proper authorization.

Impact Analysis

If exploited, this vulnerability could allow unauthorized users to gain guest access to the system, potentially leading to unauthorized information exposure or misuse of guest privileges.

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