CVE-2023-47372

The leakage of channel access token in UPDATESALON C-LOUNGE Line 13.6.1 allows remote attackers to send malicious notifications to victims...

CVE-2023-43988

An issue in nature fitness saijo mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token...

CVE-2018-19783

Kentix MultiSensor-LAN 5.63.00 devices and previous allow Authentication Bypass via an Alternate Path or Channel...

CVE-2025-32945

The vulnerability allows an existing user to add playlists to a different user’s channel using the PeerTube REST API. The vulnerable code sets the owner of the new playlist to be the user who performed the request, and then sets the associated channel to the channel ID supplied by the request,...

GHSA-MJ2P-V2C2-VH4V Mattermost Incorrect Authorization vulnerability

Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled...

CVE-2025-2564

Summary: CVE-2025-2564 affects Mattermost Server versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, and 9.11.x

GHSA-H4RR-F37J-4HH7 Mattermost Incorrect Authorization vulnerability

Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to check the "Allow Users to View Archived Channels" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived...

CVE-2025-27571

Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to check the "Allow Users to View Archived Channels" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived...

BIT-MATTERMOST-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...

GO-2025-3555 Mattermost fail to prompt for explicit approval before adding a team admin to a private channel in github.com/mattermost/mattermost-server

Mattermost fail to prompt for explicit approval before adding a team admin to a private channel in github.com/mattermost/mattermost-server...

GHSA-CW7Q-5CGC-H3H9 Mattermost fail to prompt for explicit approval before adding a team admin to a private channel

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...

Mattermost fail to prompt for explicit approval before adding a team admin to a private channel

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...

CVE-2025-27715 Auto-Enrollment of Team Admins into Private Channels without explicit consent

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...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. A security vulnerability exists in Mattermost version 9.11.8 and earlier, which stems from failing to prompt for explicit approval before adding team administrators to a private channel, allowing team...

CVE-2024-33061

Information disclosure while processing IOCTL call made for releasing a trusted VM process release or opening a channel without initializing the process...

CVE-2024-54336

Authentication Bypass Using an Alternate Path or Channel vulnerability in Projectopia Projectopia projectopia-core allows Authentication Bypass.This issue affects Projectopia: from n/a through = 5.1.7...

Improper Access Control

Mattermost is vulnerable to Improper Access Control. The vulnerability is due to improper filtering of channel data when ElasticSearch is enabled, allowing users to access private channel names by using cmd+K/ctrl+K...

CVE-2024-42000 Unauthorized Access to view channels' details

Mattermost versions 9.10.x = 9.10.2, 9.11.x = 9.11.1, 9.5.x = 9.5.9 and 10.0.x = 10.0.0 fail to properly authorize the requests to /api/v4/channels which allows a User or System Manager, with "Read Groups" permission but with no access for channels to retrieve details about private channels that...

Mattermost Server 9.5.x < 9.5.9 / 9.9.x < 9.9.3 / 9.10.x < 9.10.2 (MMSA-2024-00362)

The version of Mattermost Server installed on the remote host is prior to 9.5.9, 9.9.3, or 9.10.2. It is, therefore, affected by a vulnerability as referenced in the MMSA-2024-00362 advisory. - Mattermost versions 9.10.x = 9.10.1, 9.9.x = 9.9.2, 9.5.x = 9.5.8 fail to limit access to channels file...

PT-2024-9624

Name of the Vulnerable Software and Affected Versions GStreamer versions prior to 1.24.10 Description A stack-buffer overflow has been detected in the gst opus dec parse header function within gstopusdec.c. The pos array is a stack-allocated buffer of size 64. If n channels exceeds 64, the for lo...