CVE-2026-30833

What it 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, a NoSQL injection vulnerability exists in Rocket.Chat's account service used in the ddp-streamer micro service that allows unauthenticated attackers to manipulate MongoDB queries during authentication. The vulnerability is located in the username-based login flow where user-supplied input is directly embedded into a MongoDB query selector without validation. An attacker can inject MongoDB operator expressions (e.g., { $regex: '.*' }) in place of a username string, causing the database query to match unintended user records. 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.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-03-06 18:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 10:32 UTC Last updatedMost recent change to the record

Details

Published

2026-03-06 18:16 UTC

Last modified

2026-06-17 10:32 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-943

Record status

Analyzed

Affected

• rocket.chat < 7.10.8
• rocket.chat < 7.11.5
• rocket.chat < 7.12.5
• rocket.chat < 7.13.4
• rocket.chat < 8.0.2
• rocket.chat < 8.1.1
• rocket.chat 8.2.0

Attack profile CVSS 4.0 · 6.9

Attack vector

Network

Complexity

Low

Attack requirements

None

Privileges needed

None

User interaction

None

Confidentiality

None

Integrity

Low

Availability

None