3.3

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 admins to joining private channels via crafted permalink links without explicit consent from them.

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
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Data is provided by the National Vulnerability Database (NVD)
Mattermost ≫ Mattermost Server Version >= 9.11.0 < 9.11.9
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.04% 0.121
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 2.7 1.2 1.4
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
responsibledisclosure@mattermost.com 3.3 0.7 2.5
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE-863 Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.