BIT-MATTERMOST-2020-14458

An issue was discovered in Mattermost Server before 5.19.0. Attackers can discover private channels via the "get channel by name" API, aka MMSA-2020-0004...

BIT-MATTERMOST-2023-3613

Mattermost WelcomeBot plugin fails to to validate the membership status when inviting or adding users to channels allowing guest accounts to be added or invited to channels by default...

BIT-MATTERMOST-2023-47858

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...

SUSE CVE-2023-52531

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: Fix a memory corruption issue A few lines above, space is kzalloc'ed for: sizeofstruct iwlnvmdata + sizeofstruct ieee80211channel + sizeofstruct ieee80211rate 'mvm-nvmdata' is a 'struct iwlnvmdata', so it is...

CentOS: Security Advisory for firefox (CESA-2024:0976)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

How Cybercriminals are Exploiting India's UPI for Money Laundering Operations

Cybercriminals are using a network of hired money mules in India using an Android-based application to orchestrate a massive money laundering scheme. The malicious application, called XHelper, is a "key tool for onboarding and managing these money mules," CloudSEK researchers Sparsh Kulshrestha,...

DEBIAN-CVE-2023-52531

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: Fix a memory corruption issue A few lines above, space is kzalloc'ed for: sizeofstruct iwlnvmdata + sizeofstruct ieee80211channel + sizeofstruct ieee80211rate 'mvm-nvmdata' is a 'struct iwlnvmdata', so it is...

UBUNTU-CVE-2023-52531

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: Fix a memory corruption issue A few lines above, space is kzalloc'ed for: sizeofstruct iwlnvmdata + sizeofstruct ieee80211channel + sizeofstruct ieee80211rate 'mvm-nvmdata' is a 'struct iwlnvmdata', so it is...

Malicious meeting invite fix targets Mac users

Cybercriminals are targeting Mac users interested in cryptocurrency opportunities with fake calendar invites. During the attacks the criminals will send a link supposedly to add a meeting to the target’s calendar. In reality the link runs a script to install Mac malware on the target’s machine...

Improper Access Control

github.com/mattermost/mattermost/ is vulnerable to Improper Access Control. The vulnerability is due to a failure in restricting the access of files attached to posts in an archived channel even if the Allow users to view archived channels option is disabled. This may lead to leak of sensitive...

Information Disclosure

github.com/mattermost/mattermost-server is vulnerable to an information disclosure. The vulnerability is due to insufficient sanitization of the metadata on posts containing permalinks under specific conditions, allowing an authenticated user to access the contents of individual posts in channels...

GHSA-HWJF-4667-GQWX Mattermost allows attackers access to posts in channels they are not a member of

Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of...

CVE-2024-1952

Mattermost version 8.1.x before 8.1.9 fails to sanitize data associated with permalinks when a plugin updates an ephemeral post, allowing an authenticated attacker who can control the ephemeral post update to access individual posts' contents in channels they are not a member of...

CVE-2024-1952

Mattermost version 8.1.x before 8.1.9 fails to sanitize data associated with permalinks when a plugin updates an ephemeral post, allowing an authenticated attacker who can control the ephemeral post update to access individual posts' contents in channels they are not a member of...

GHSA-XGXJ-J98C-59RV Mattermost fails to properly restrict the access of files attached to posts

Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled...

GHSA-FX48-XV6Q-6GP3 Mattermost post fetching without auditing in compliance export

Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export...

CVE-2024-23488

Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled...

CVE-2024-1887

Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export...

Code injection

Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled...

Design/Logic Flaw

Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export...