GitHub Advisoryadvisory · Go

GHSA-cw7q-5cgc-h3h9 Mattermost fail to prompt for explicit approval before adding a team admin to a private channel

LOW Published 2025-03-21 Modified 2025-03-21 Official page ↗
Aliases
CVE-2025-27715
Ecosystem
Go
Packages
github.com/mattermost/mattermost/server/v8
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Weaknesses
CWE-863
Reviewed
2025-03-21

Affected packages

• Go github.com/mattermost/mattermost/server/v8: >= 9.11.0, < 9.11.9 → fixed in 9.11.9

Description

Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.

Related

Alias · CVE (1)

  • CVE-2025-27715 Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team… vulnerability

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References