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Mattermost Server

mattermost_server

Vendor: Mattermost • 486 CVEs

CVEs (486)

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CVSS
CVE-2022-0904
1Mattermost
1Mattermost Server
Jun 17, 2026
Mar 10, 2022
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
A stack overflow bug in the document extractor in Mattermost Server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted Apple Pages document.
CVE-2022-0903
1Mattermost
1Mattermost Server
Jun 17, 2026
Mar 10, 2022
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted POST body.
CVE-2021-37863
1Mattermost
1Mattermost Server
Jun 17, 2026
Dec 17, 2021
N/A· v4
5.7 MEDIUM· v3
3.5 LOW· v2
Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.
CVE-2021-37862
1Mattermost
1Mattermost Server
Jun 17, 2026
Dec 17, 2021
N/A· v4
5.4 MEDIUM· v3
5.8 MEDIUM· v2
Mattermost 6.0 and earlier fails to sufficiently validate the email address during registration, which allows attackers to trick users into signing up using attacker-controlled email addresses via crafted invitation toke...Show more
Mattermost 6.0 and earlier fails to sufficiently validate the email address during registration, which allows attackers to trick users into signing up using attacker-controlled email addresses via crafted invitation token.Show less
CVE-2017-18921
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in Mattermost Server before 3.6.0 and 3.5.2. XSS can occur via a link on an error page.
CVE-2017-18920
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
An issue was discovered in Mattermost Server before 3.6.2. The WebSocket feature does not follow the Same Origin Policy.
CVE-2017-18919
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 3.7.0 and 3.6.3. Attackers can use the API for unauthenticated team creation.
CVE-2017-18918
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
4.9 MEDIUM· v3
4.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 3.7.3 and 3.6.5. A System Administrator can place a SAML certificate at an arbitrary pathname.
CVE-2017-18917
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. Weak hashing was used for e-mail invitations, OAuth, and e-mail verification tokens.
CVE-2017-18916
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. API endpoint access control does not honor an integration permission restriction.
CVE-2017-18915
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain API Endpoint access.
CVE-2017-18914
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. An external link can occur on an error page even if it is not on an allowlist.
CVE-2017-18913
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. XSS can occur via a link on an error page.
CVE-2017-18908
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. A password-reset request was sometime sent to an attacker-provided e-mail address.
CVE-2017-18907
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. XSS could occur via a channel header.
CVE-2017-18906
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
8.1 HIGH· v3
4.9 MEDIUM· v2
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when Single Sign-On OAuth2 is used. An attacker could claim somebody else's account.
CVE-2017-18905
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when used as an OAuth 2.0 service provider, Session invalidation was mishandled.
CVE-2016-11084
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in Mattermost Server before 2.1.0. It allows XSS via CSRF.
CVE-2016-11083
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in Mattermost Server before 2.2.0. It allows XSS because it configures files to be opened in a browser window.
CVE-2016-11082
1Mattermost
1Mattermost Server
Nov 21, 2024
Jun 19, 2020
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in Mattermost Server before 2.2.0. It allows XSS via a crafted link.