RocketChat Rocket.Chat up to 8.1.x DDP Streamer Service improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in RocketChat Rocket.Chat up to 8.1.x. The impacted element is an unknown function of the component DDP Streamer Service. Performing a manipulation results in improper authentication. This vulnerability is identified as CVE-2026-30831. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in RocketChat Rocket.Chat up to 8.1.x. It has been classified as critical. This affects an unknown code of the component DDP Streamer Service. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-30831 since 03/05/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 7.10.8, 7.11.5, 7.12.5, 7.13.4, 8.0.2, 8.1.1 or 8.2.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Rocket.Chat 7.10.8/7.11.5/7.12.5/7.13.4/8.0.2/8.1.1/8.2.0

Timelineinfo

03/05/2026 CVE reserved
03/06/2026 +1 days Advisory disclosed
03/06/2026 +0 days VulDB entry created
03/14/2026 +8 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-7qr6-q62g-hm63
Status: Confirmed

CVE: CVE-2026-30831 (🔒)
GCVE (CVE): GCVE-0-2026-30831
GCVE (VulDB): GCVE-100-349521

Entryinfo

Created: 03/06/2026 21:16
Updated: 03/14/2026 01:13
Changes: 03/06/2026 21:16 (70), 03/08/2026 11:37 (1), 03/14/2026 01:13 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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