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Rocket.Chat CVE-2026-30831

CRITICAL
Improper Authentication (CWE-287)
2026-03-06 security-advisories@github.com
Authentication Bypass Rocket.Chat
9.8
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 06, 2026 - 18:16 nvd
CRITICAL 9.8

DescriptionGitHub Advisory

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.

AnalysisAI

Auth bypass in Rocket.Chat before 7.10.8+. Second auth bypass CVE.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Connect to DDP Streamer service
Delivery
Call Account.login method
Exploit
Bypass 2FA validation
Execution
Authenticate as deactivated user
Impact
Gain unauthorized system access
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Vulnerability AssessmentAI

Exploitation Enterprise DDP Streamer service must be enabled and accessible. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 9.8. Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Alternative auth bypass.
Remediation Update. Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Inventory all Rocket.Chat deployments and document versions in use; assess whether DDP Streamer is enabled in production environments. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-30831 vulnerability details – vuln.today
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