RocketChat Rocket.Chat up to 7.x improper authentication

Summaryinfo

A vulnerability labeled as critical has been found in RocketChat Rocket.Chat up to 7.x. The affected element is an unknown function. Such manipulation leads to improper authentication. This vulnerability is referenced as CVE-2026-28514. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in RocketChat Rocket.Chat up to 7.x and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to versions 7.8.6, 7.9.8, 7.10.7, 7.11.4, 7.12.4, 7.13.3, and 8.0.0, a critical authentication bypass vulnerability exists in Rocket.Chat's account service used in the ddp-streamer micro service that allows an attacker to log in to the service as any user with a password set, using any arbitrary password. The vulnerability stems from a missing await keyword when calling an asynchronous password validation function, causing a Promise object (which is always truthy) to be evaluated instead of the actual boolean validation result. This may lead to account takeover of any user whose username is known or guessable. This issue has been patched in versions 7.8.6, 7.9.8, 7.10.7, 7.11.4, 7.12.4, 7.13.3, and 8.0.0.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-28514 since 02/27/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 7.8.6, 7.9.8, 7.10.7, 7.11.4, 7.12.4, 7.13.3 or 8.0.0 eliminates this vulnerability. Applying the patch 7d89aae0b1bd08e82b02ceab4c180b430e2c6f07 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Chat Software

Vendor

• RocketChat

Name

• Rocket.Chat

Version

• 7.8.0
• 7.8.1
• 7.8.2
• 7.8.3
• 7.8.4
• 7.8.5
• 7.9.0
• 7.9.1
• 7.9.2
• 7.9.3
• 7.9.4
• 7.9.5
• 7.9.6
• 7.9.7
• 7.10.0
• 7.10.1
• 7.10.2
• 7.10.3
• 7.10.4
• 7.10.5
• 7.10.6
• 7.11.0
• 7.11.1
• 7.11.2
• 7.11.3
• 7.12.0
• 7.12.1
• 7.12.2
• 7.12.3
• 7.13.0
• 7.13.1
• 7.13.2
• 7.x

License

• free

Website

• Product: https://github.com/RocketChat/Rocket.Chat/

CPE 2.3info

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CPE 2.2info

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