CVEs (467)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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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 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 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 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 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. |
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 discover private channels via the "get channel by name" API, aka MMSA-2020-0004. |
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 5.20.0. Non-members can receive broadcasted team details via the update_team WebSocket event, aka MMSA-2020-0012. |
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 5.21.0. Socket read operations are not appropriately restricted, which allows attackers to cause a denial of service, aka MMSA-2020-0005. |
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 5.21.0. mmctl allows directory traversal via HTTP, aka MMSA-2020-0014. |
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 5.22.0. The markdown renderer allows attackers to cause a denial of service (client-side), aka MMSA-2020-0017. |
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 5.23.0. Automatic direct message replies allow attackers to cause a denial of service (infinite loop), aka MMSA-2020-0020. |
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 5.23.0. Large webhook requests allow attackers to cause a denial of service (infinite loop), aka MMSA-2020-0021. |