Improper Authentication Validation

github.com/mattermost/mattermost-server is vulnerable to improper authentication validation. The vulnerability is due to failure to verify that the token used during the code exchange originates from the same authentication flow, which allows an authenticated attacker to perform account takeover ...

The vulnerability of the Mattermost instant messaging application, related to the improper implementation of authentication algorithms, allows attackers to circumvent security restrictions and gain unauthorized access to protected information.

The vulnerability of the Mattermost instant messaging application is related to the improper implementation of the authentication algorithm when processing the /users/login/sso/code-exchange endpoint. Exploiting this vulnerability allows a malicious actor to bypass security restrictions and gain...

Incorrect Implementation of Authentication Algorithm

Overview Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm. An attacker can gain unauthorized access to another user's account by leveraging a specially crafted email address when switching authentication methods and sending a request to the...

Incorrect Implementation of Authentication Algorithm

Overview Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm. An attacker can gain unauthorized access to another user's account by leveraging a specially crafted email address when switching authentication methods and sending a request to the...