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CVE-2025-61987

nvd nist
Published: Dec 12, 2025Modified: Jun 17, 2026

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6.9
Vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: vultures@jpcert.or.jp (Secondary)

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 (3)

Groupsession
1 product
Groupsession
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Groupsession
Groupsession
Before 5.3.3
Groupsession
Before 5.3.0
Groupsession
Before 5.3.2

Related CWEs

CWE-1385
Missing Origin Validation in WebSockets
The product uses a WebSocket, but it does not properly verify that the source of data or communication is valid.

References (2)

Source: vultures@jpcert.or.jp
Vendor Advisory
Source: vultures@jpcert.or.jp
Third Party Advisory

Timeline

No history available yet.