Missing Authorization in Rocket.Chat - CVE-2026-23477
Published: January 16, 2026
Vulnerability identifier: #VU121619
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2026-23477
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Rocket.Chat Technologies Corp.
Affected software:
Rocket.Chat
Rocket.Chat
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to improper authorization checks within the GET /api/v1/oauth-apps.get API endpoint. A remote user can gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2026-23477
Install updates from vendor's website.