CVE-2025-61950 | THREATINT

Description

In GroupSession, a Circular notice can be created with its memo field non-editable, but the authorization check is improperly implemented. With some crafted request, a logged-in user may alter the memo field. The affected products and versions are GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2.

PUBLISHED Reserved 2025-11-27 | Published 2025-12-12 | Updated 2025-12-12 | Assigner jpcert

MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

Authorization bypass through user-controlled key

Product status

prior to ver5.3.0

affected

prior to ver5.3.3

affected

prior to ver5.3.2

affected

References

groupsession.jp/info/info-news/security20251208

jvn.jp/en/jp/JVN19940619/

cve.org (CVE-2025-61950)

nvd.nist.gov (CVE-2025-61950)

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