next-auth@4.0.0-next.21 vulnerabilities

next-auth is an Authentication for Next.js

Affected versions of this package are vulnerable to Improper Authorization by obtaining an issued JWT from an interrupted OAuth sign-in flow. An attacker can manually override the next-auth.session-token cookie value with this non-related JWT, allowing the attacker to create an empty/mock user and peek at logged-in user states.

Notes:

1. Only applications prior to version 4.24.5 that rely on the default Middleware authorization are affected.

2. This vulnerability does not give access to other users' data, neither to resources that require proper authorization via scopes or other means.

3. Regardless of the vulnerability, the existence of a NextAuth.js session state can provide simple authentication, but not authorization in your applications.

Upgrade next-auth to version 4.24.5 or higher.

next-auth is an Authentication for Next.js

Affected versions of this package are vulnerable to Session Fixation such that a bad actor who can read traffic on the victim's network or who is able to social engineer the victim to click a manipulated login link could intercept and tamper with the authorization URL to log in as the victim.

Upgrade next-auth to version 4.20.1 or higher.

next-auth is an Authentication for Next.js

Affected versions of this package are vulnerable to Improper Authentication due to missing validation for both the identifier and the token in the Upstash Redis adapter.

Upgrade next-auth to version 4.12.0 or higher.

next-auth is an Authentication for Next.js

Affected versions of this package are vulnerable to Open Redirect when using a OAuth 1 provider.

Upgrade next-auth to version 3.29.3, 4.3.4 or higher.

next-auth is an Authentication for Next.js

Affected versions of this package are vulnerable to Open Redirect via defaultCallback, allowing for malicious actors to redirect the victim to a site of their choosing.

Upgrade next-auth to version 4.3.2 or higher.