CVE-2026-41259

Mastodon is a free, open-source social network server based on ActivityPub. Prior to v4.5.9, v4.4.16, and v4.3.22, Mastodon allows restricting new user sign-up based on e-mail domain names, and performs basic validation on e-mail addresses, but fails to restrict characters that are interpreted...

Incorrect Authorization

Overview github.com/oauth2-proxy/oauth2-proxy is a reverse proxy that provides authentication with Google, Github or other providers. Affected versions of this package are vulnerable to Incorrect Authorization in the email domain validation. An attacker can gain unauthorized access by submitting ...

PT-2026-33223

Name of the Vulnerable Software and Affected Versions OAuth2 Proxy versions prior to 7.15.2 Description An authorization bypass exists within the email domain enforcement option. An attacker can authenticate using a malformed email claim, such as [email protected]@company.com, to satisfy an allow...

Zulip server 安全漏洞

Zulip server is an open source team chat application from Zulip USA. zulip server has a security vulnerability that stems from the fact that zlip Server deployments that reside in multiple organizations are vulnerable to attacks where an invitation created in one organization possibly a role with...