What is GHSA-q7rx-w656-fwmv?

GHSA-q7rx-w656-fwmv is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost notified all users in the channel when using WebSockets to respond individually

Which CVE IDs does GHSA-q7rx-w656-fwmv cover?

GHSA-q7rx-w656-fwmv covers the following CVE IDs: CVE-2023-48732. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q7rx-w656-fwmv?

GHSA-q7rx-w656-fwmv has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

Which products are affected by GHSA-q7rx-w656-fwmv?

GHSA-q7rx-w656-fwmv affects 2 products, including: go/github.com/mattermost/mattermost/server/v8:\u003c= 8.1.6; go/github.com/mattermost/mattermost-server/v6:\u003c= 8.1.6.

GHSA-q7rx-w656-fwmvMediumCVSS 4.3

Mattermost notified all users in the channel when using WebSockets to respond individually

Vendor

GitHub Security Advisories

Published

January 2, 2024

Last Modified

August 7, 2024

🔗 CVE IDs covered (1)

CVE-2023-48732 →

📋 Description

Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.

🎯 Affected products2

go/github.com/mattermost/mattermost/server/v8:<= 8.1.6
go/github.com/mattermost/mattermost-server/v6:<= 8.1.6

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2023-48732
https://mattermost.com/security-updates
https://github.com/mattermost/mattermost/commit/851515be222160bee0a495c0d411056b19ed4111
https://github.com/advisories/GHSA-q7rx-w656-fwmv