GHSA-q7rx-w656-fwmv

ghsaUSosv

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

view advisory published 2024-01-02Licence: CC-BY-4.0

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2023-48732US	medium4.3	0.46% (40th)	—	2024-01-02
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 abou…

references

External citations — patches, advisories, analysis.

https://github.com/advisories/GHSA-q7rx-w656-fwmvADVISORY
https://github.com/mattermost/mattermostPACKAGE
https://github.com/mattermost/mattermost/commit/851515be222160bee0a495c0d411056b19ed4111WEB
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2023-48732ADVISORY

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