SB2026011620 - Missing Authorization in Rocket.Chat
Published: January 16, 2026
Security Bulletin ID
SB2026011620
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Authorization (CVE-ID: CVE-2026-23477)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 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
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.
Remediation
Install update from vendor's website.