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CVE-2026-30831

HIGH CVSS 4.0: 8.0 EPSS 0.08%
Updated Mar 13, 2026
Rocket.Chat
Parameter Value
CVSS 8.0 (HIGH)
Affected Versions 7.11.0 — 8.1.1
Fixed In 7.10.8
Type CWE-304, CWE-287 (Improper Authentication)
Vendor Rocket.Chat
Public PoC No

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to versions 7.10.8, 7.11.5, 7.12.5, 7.13.4, 8.0.2, 8.1.1, and 8.2.0, authentication vulnerabilities exist in Rocket.Chat's enterprise DDP Streamer service. The Account.login method exposed through the DDP Streamer does not enforce Two-Factor Authentication (2FA) or validate user account status (deactivated users can still login), despite these checks being mandatory in the standard Meteor login flow.

This issue has been patched in versions 7.10.8, 7.11.5, 7.12.5, 7.13.4, 8.0.2, 8.1.1, and 8.2.0.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 9

Configuration From (including) Up to (excluding)
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
7.10.8
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
7.11.0 7.11.5
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
7.12.0 7.12.5
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
7.13.0 7.13.4
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
8.0.0 8.0.2
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
8.1.0 8.1.1
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:8.2.0:rc0:*:*:*:*:*:*
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:8.2.0:rc1:*:*:*:*:*:*
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:8.2.0:rc2:*:*:*:*:*:*