Improper privilege management in Groups - CVE-2026-77203
Published: October 1, 2026
Vulnerability identifier: #VU153070
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-77203
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges.
The vulnerability exists due to improper privilege management in the "groups_join" Shortcode. A remote user can escalate privileges.
Affected software
Groups
How to mitigate CVE-2026-77203
Install updates from vendor's website.
Groups - update to 4.7.0