Mattermost: Invitation Email is resent as a Reminder after invalidating pending email invites

An issue was found in Mattermost's workspace invite system that allowed unwanted users to join a workspace, leading to potential information disclosure. The vulnerability was caused by the lack of an option to cancel an invite, which could be exploited by an attacker to join a workspace even if t...

CVE-2022-0708: Exposure of Sensitive Information to an Unauthorized Actor

Mattermost 6.3.0 and earlier fails to protect email addresses of the creator of the team via one of the APIs, which allows authenticated team members to access this information resulting in sensitive & private information disclosure...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. Mattermost suffers from a security vulnerability that stems from the inability of Mattermost 6.3.0 and earlier versions to protect the team creator's email address via one of the APIs, which can be...

PT-2022-13378

Name of the Vulnerable Software and Affected Versions Mattermost versions 6.3.0 and earlier Description The issue allows authenticated team members to access the email address of the team creator via an API, resulting in sensitive and private information disclosure. Recommendations For Mattermost...

GHSA-W3WF-CFX3-6GCX SAML authentication vulnerability due to stdlib XML parsing

Impact Due to issues in Go's standard library XML parsing, a valid SAML response may be mutated by an attacker to modify the trusted document. This can result in allowing unverified logins from a SAML IdP. Users that configure Fleet with SSO login may be vulnerable to this issue. Patches This iss...

SAML authentication vulnerability due to stdlib XML parsing

Impact Due to issues in Go's standard library XML parsing, a valid SAML response may be mutated by an attacker to modify the trusted document. This can result in allowing unverified logins from a SAML IdP. Users that configure Fleet with SSO login may be vulnerable to this issue. Patches This iss...

Mattermost Boards Plugin Information Disclosure Vulnerability

Mattermost is an open source collaboration platform from Mattermost, Inc. The Mattermost Boards plugin in v0.10.0 and earlier is vulnerable to an information disclosure vulnerability that stems from a failure to protect all users' email addresses via one of the Board APIs, which could be exploite...

Mattermost Access Control Error Vulnerability

Mattermost is an open source collaboration platform from Mattermost, Inc. An access control error vulnerability exists in Mattermost versions 6.1 and earlier, which stems from a network system or product that does not properly restrict access to resources from unauthorized roles, and could be...

Mattermost Denial of Service Vulnerability

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. A denial of service vulnerability exists in Mattermost versions 6.2.0 and earlier, which arises from a failure to adequately process specially crafted GIF files when uploading them during the drafting ...

Mattermost Boards Plugin Trust Management Issue Vulnerability

Mattermost is an open source collaboration platform from Mattermost, Inc. The Mattermost Boards plugin in v0.10.0 and prior versions is vulnerable to a trust management issue that stems from the lack of an effective trust management mechanism in the network system or product. An attacker could...

CVE-2021-37864

Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs...

CVE-2021-37867

Mattermost Boards plugin v0.10.0 and earlier fails to protect email addresses of all users via one of the Boards APIs, which allows authenticated and unauthorized users to access this information resulting in sensitive & private information disclosure...

CVE-2021-37865

Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service...

CVE-2021-37867

Mattermost Boards plugin v0.10.0 and earlier fails to protect email addresses of all users via one of the Boards APIs, which allows authenticated and unauthorized users to access this information resulting in sensitive & private information disclosure...

CVE-2021-37866

Mattermost Boards plugin v0.10.0 and earlier fails to invalidate a session on the server-side when a user logged out of Boards, which allows an attacker to reuse old session token for authorization...

CVE-2021-37864

Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs...

CVE-2021-37865

Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service...

CVE-2021-37866

Mattermost Boards plugin v0.10.0 and earlier fails to invalidate a session on the server-side when a user logged out of Boards, which allows an attacker to reuse old session token for authorization...

CVE-2021-37867

Mattermost Boards plugin v0.10.0 and earlier fails to protect email addresses of all users via one of the Boards APIs, which allows authenticated and unauthorized users to access this information resulting in sensitive & private information disclosure...

CVE-2021-37865

Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service...