Unrated severityNVD Advisory· Published Dec 12, 2025· Updated Dec 12, 2025
CVE-2025-61987
CVE-2025-61987
Description
GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. do not validate origins in WebSockets. If a user accesses a crafted page, Chat information sent to the user may be exposed.
Affected products
5- Range: <5.3.2
- Range: <5.3.0
- Japan Total System Co.,Ltd./GroupSession byCloudv5Range: prior to ver5.3.3
- Japan Total System Co.,Ltd./GroupSession Free editionv5Range: prior to ver5.3.0
- Japan Total System Co.,Ltd./GroupSession ZIONv5Range: prior to ver5.3.2
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2News mentions
0No linked articles in our index yet.