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6.9

ChatLuck Guest User Registration Security Weakness

CVE-2025-54461 · published 1 year ago
Summary

Uninvited guests can register as users on ChatLuck platforms. This allows unauthorized access to sensitive features or conversations. Update to the latest version of ChatLuck to fix this security weakness.

Original advisory text
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.
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
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
6.9 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-1220Insufficient Granularity of Access Control
Timeline
Published16 Oct 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-54461 · NVD
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