CVE-2025-61987: Japan Total System Co.,Ltd. GroupSession Free edition vulnerability
Japan Total System Co.,Ltd. · GroupSession Free edition
Affected: Japan Total System Co.,Ltd. GroupSession Free edition · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 5% of scored CVEs
DescriptionCVE.org
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 products3
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Japan Total System Co.,Ltd. · GroupSession Free editionprior to ver5.3.0
- Japan Total System Co.,Ltd. · GroupSession byCloudprior to ver5.3.3
- Japan Total System Co.,Ltd. · GroupSession ZIONprior to ver5.3.2
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Published
- December 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-61987 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.