Unauthorized Access in Rocket.Chat API for OAuth Application Details
CVE-2026-23477

7.7HIGH

Key Information:

Vendor

Rocketchat

Status
Rocket.chat
Vendor
CVE Published:
14 January 2026

What is CVE-2026-23477?

In Rocket.Chat, a popular open-source communications platform, an API endpoint is accessible to any authenticated user, irrespective of their assigned role or permissions. This permits unauthorized exposure of sensitive OAuth application details, including client_id and client_secret for applications, if the user possesses the application ID. The issue has been resolved in version 6.12.0.

Affected Version(s)

Rocket.Chat < 6.12.0

References

https://github.com/RocketChat/Rocket.Chat/security/adviso...
x_refsource_CONFIRM

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.