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CVE-2025-27715

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CVE-2025-27715

Published: Mar 21, 2025

Modified: Mar 21, 2025

PUBLISHED

CVSS v3.1

3.3

LOW

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.

VendorProductVersions

Mattermost

Mattermost

affected
9.11.0 - <= 9.11.8
unaffected
10.5.0
unaffected
9.11.9

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

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