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.
References (2)
Scores
CVSS v3
5.3
EPSS
0.0003
EPSS Percentile
8.6%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1220
Status
published
Products (1)
NEOJAPAN Inc./ChatLuck
V6.6 R2.0 and earlier
Published
Oct 16, 2025
Tracked Since
Feb 18, 2026