SpamChannel

SpamChannel Live worker hosted at https://spamchannel.haxxx.workers.dev UPDATE Aug 13 2023: Two days after my DEFCON 31 talk, MailChannels silently decided to require aDomain Lockdown Record in order to send emails from Cloudflare Workers meaning this code doesn't work anymore. However, because...

CVE-2026-114478

Insufficient preservation of the original sender in the forwarding of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write, naming in its From an address at a domain the server hosts, delivered to other receivers as passing that domain...

CVE-2026-114478 Unintended Proxy or Intermediary ('Confused Deputy') in hMailServer

Insufficient preservation of the original sender in the forwarding of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write, naming in its From an address at a domain the server hosts, delivered to other receivers as passing that domain...

EUVD-2026-107321

Insufficient preservation of the original sender in the forwarding of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write, naming in its From an address at a domain the server hosts, delivered to other receivers as passing that domain...

CVE-2026-114478 Unintended Proxy or Intermediary ('Confused Deputy') in hMailServer

Insufficient preservation of the original sender in the forwarding of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write, naming in its From an address at a domain the server hosts, delivered to other receivers as passing that domain...

CVE-2026-114478

Progressive Robot hMailServer versions 6.0.0 through 6.3.6 are vulnerable to an unintended proxy or intermediary flaw (CWE-441 ). Due to insufficient preservation of the original sender during forwarding, an unauthenticated remote attacker can cause the server to deliver mail that appears to pass...

PT-2026-120656

Insufficient preservation of the original sender in the forwarding of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write, naming in its From an address at a domain the server hosts, delivered to other receivers as passing that domain...

espoofer

espoofer espoofer es una herramienta de prueba de código abierto para eludir la autenticación SPF, DKIM y DMARC en sistemas de correo electrónico. Ayuda a administradores de servidores de correo y probadores de penetración a verificar si el servidor de correo y el cliente objetivo son vulnerables...

EUVD-2025-210903

N-able Mail Assure through April 2026 contains a design-level authorization flaw that allows an authenticated SMTP user to send outbound email using MAIL FROM addresses belonging to other tenants. When connecting to the SMTP TCP port and performing SMTP AUTH with valid credentials, the server...

PT-2026-90993

N-able Mail Assure through April 2026 contains a design-level authorization flaw that allows an authenticated SMTP user to send outbound email using MAIL FROM addresses belonging to other tenants. When connecting to the SMTP TCP port and performing SMTP AUTH with valid credentials, the server...

EUVD-2019-11327

Malware in sbrugna...

CVE-2024-7208: Undefined Security Weakness

A vulnerability in multi-tenant hosting allows an authenticated sender to spoof the identity of a shared, hosted domain, thus bypass security measures provided by DMARC or SPF or DKIM policies...