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Mattermost

mattermost

602 CVEs • 15 products

Products (15)

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CVEs (602)

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1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.11.0. Invite IDs were improperly generated.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.11.0. An attacker can interfere with a channel's post loading via one crafted post.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.12.0. Use of a Proxy HTTP header, rather than the source address in an IP packet header, for obtaining IP address information was mishandled.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.12.0, 5.11.1, 5.10.2, 5.9.2, and 4.10.10. The login page allows CSRF.
1Mattermost
1Mattermost Plugins
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Plugins before 5.13.0. The GitHub plugin allows an attacker to attach his Mattermost account to a different person's GitHub account.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.13.0. Incoming webhook creation is not properly restricted.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.13.0. Non-members may fetch a team's slash commands.
1Mattermost
1Mattermost Desktop
Jun 17, 2026
Jun 19, 2020
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
An issue was discovered in Mattermost Desktop App before 4.2.2. It allows attackers to execute arbitrary code via a crafted link.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.14.0, 5.13.3, 5.12.6, and 5.9.4. It allows remote attackers to cause a denial of service (application hang) via a crafted SVG document.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.15.0. Login access control can be bypassed via crafted input.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.15.0. It allows attackers to cause a denial of service (CPU consumption) via crafted characters in a SQL LIKE clause to an APIv4 endpoint.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.16.0. It allows attackers to cause a denial of service (markdown renderer hang) via many backtick characters.
1Mattermost
1Mattermost Desktop
Jun 17, 2026
Jun 19, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
An issue was discovered in Mattermost Desktop App before 4.3.0 on macOS. It allows dylib injection.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.16.1, 5.15.2, 5.14.5, and 5.9.6. It allows attackers to obtain sensitive information (local files) during legacy attachment migration.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.17.0. It allows remote attackers to cause a denial of service (client-side application crash) via a LaTeX message.
1Mattermost
1Mattermost Packages
Jun 17, 2026
Jun 19, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
An issue was discovered in Mattermost Packages before 5.16.3. A Droplet could allow Internet access to a service that has a remote code execution problem.
1Mattermost
1Mattermost Mobile
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Mobile Apps before 1.26.0. Local logging is not blocked for sensitive information (e.g., server addresses or message content).
1Mattermost
1Mattermost
Jun 17, 2026
Jun 19, 2020
N/A· v4
9.1 CRITICAL· v3
6.4 MEDIUM· v2
An issue was discovered in Mattermost Mobile Apps before 1.26.0. An attacker can use directory traversal with the Video Preview feature to overwrite arbitrary files on a device.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.
1Mattermost
1Mattermost Server
Jun 17, 2026
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 5.19.0. Attackers can rename a channel and cause a collision with a direct message, aka MMSA-2020-0002.