CVE-2025-49136

CVE-2025-49136 affects Listmonk before v5.0.2 where Sprig template functions env and expandenv are enabled by default, enabling non-super-admin users (with campaign/template permissions) to read host environment variables via campaign previews. Public reports and the connected Metasploit auxiliar...

CVE-2025-46011

CVE-2025-46011 affects Listmonk up to v4.1.0 (fixed in v5.0.0). The vulnerability is an SQL Injection in the QuerySubscribers function that can lead to privilege escalation. Affected versions include 2.4.0–4.1.0; upgrading to v5.0.0 or later is the indicated remediation. Some sources describe a P...

CVE-2025-58430

CVE-2025-58430 affects listmonk (up to version 1.1.0). The vulnerability arises because each HTTP request includes a nonce in addition to the session cookie, and the nonce value is not checked/validated by the backend, enabling request forgery. When chained with other flaws (CSRF and XSS), this c...

CVE-2026-21483

CVE-2026-21483 affects listmonk prior to 6.0.0. A lower-privileged user with campaign-management permissions can inject malicious JavaScript into campaigns or templates. When a Super Admin views or previews the content, a stored XSS executes in the admin’s browser context, enabling actions such a...

CVE-2026-34828

CVE-2026-34828 affects listmonk, a standalone self-hosted newsletter manager. A session-management vulnerability in versions 4.1.0 up to, but not including, 6.1.0 allows already-authenticated sessions to remain valid after password reset or password change, enabling an attacker with a valid sessi...

CVE-2026-34584

The CVE affects listmonk (standalone, self-hosted newsletter/mailing list app). From version 4.1.0 up to, but not including, 6.1.0, bugs in list permission checks allow users in multi-user environments to access lists they should not access. This could expose restricted lists under different scen...