SB2026030650 - Multiple vulnerabilities in Rocket.Chat

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Neutralization of Special Elements in Data Query Logic (CVE-ID: CVE-2026-30833)

CWE-ID: CWE-943 - Improper Neutralization of Special Elements in Data Query Logic

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the NoSQL injection issue in account service used in the ddp-streamer micro service. A remote attacker can manipulate MongoDB queries during authentication.

2) Improper Authentication (CVE-ID: CVE-2026-30831)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: 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/E:U/U:Green

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the enterprise DDP Streamer service DDP Streamer does not enforce Two-Factor Authentication (2FA) or validate user account status. A remote user can bypass authentication process and gain unauthorized access to the application.

Remediation

Install update from vendor's website.

References

• https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-hgq6-9jg2-wf3f
• https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-7qr6-q62g-hm63