What is GHSA-w88v-pjr8-cmv2?

GHSA-w88v-pjr8-cmv2 is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost viewing archived public channels permissions vulnerability

Which CVE IDs does GHSA-w88v-pjr8-cmv2 cover?

GHSA-w88v-pjr8-cmv2 covers the following CVE IDs: CVE-2023-47858. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-w88v-pjr8-cmv2?

GHSA-w88v-pjr8-cmv2 has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

Which products are affected by GHSA-w88v-pjr8-cmv2?

GHSA-w88v-pjr8-cmv2 affects 2 products, including: go/github.com/mattermost/mattermost-server/v6:\u003c= 7.8.9; go/github.com/mattermost/mattermost/server/v8:\u003c= 8.1.0.

GHSA-w88v-pjr8-cmv2MediumCVSS 4.3

Mattermost viewing archived public channels permissions vulnerability

Vendor

GitHub Security Advisories

Published

January 2, 2024

Last Modified

August 7, 2024

🔗 CVE IDs covered (1)

CVE-2023-47858 →

📋 Description

Mattermost fails to properly verify the permissions needed for viewing archived public channels, allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams//channels/deleted endpoint.

🎯 Affected products2

go/github.com/mattermost/mattermost-server/v6:<= 7.8.9
go/github.com/mattermost/mattermost/server/v8:<= 8.1.0

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2023-47858
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-w88v-pjr8-cmv2