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Vulnerability Intelligence

CVE-2025-54461 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2025-54461

CVE-2025-54461

MEDIUM6.9

ChatLuck contains an insufficient granularity of access control vulnerability in Invitation of Guest Users

Published Oct 16, 2025

Modified 4 months ago

Details

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.

References

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

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://www.cve.org/CVERecord?id=CVE-2025-54461

CVSS Analysis

CVSS v4.0

6.9

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

LowVC:L

Vuln. Integrity

NoneVI:N

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

NoneSC:N

Subseq. Integrity

NoneSI:N

Subseq. Availability

NoneSA:N

6.9/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedOct 16, 2025

ModifiedOct 16, 2025