PYSEC-2026-1111 aiosmtpd STARTTLS unencrypted commands injection

Summary Servers based on aiosmtpd accept extra unencrypted commands after STARTTLS, treating them as if they came from inside the encrypted connection. This could be exploited by a MitM attack. References NO STARTTLS: Similar vulnerabilities discovered by previous researchers...

BIT-DISCOURSE-2026-44784 Discourse: Non-staff group owners can see email password in plaintext through group history

Discourse is an open-source discussion platform. From versions 2026.1.0 to before 2026.1.4, 2026.3.0 to before 2026.3.1, and 2026.4.0 to before 2026.4.1, group owners who are not necessarily admins or moderators can view a group's outgoing email/SMTP credentials in plaintext via the group history...

CVE-2026-44784 Discourse: Non-staff group owners can see email password in plaintext through group history

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, group owners who are not necessarily admins or moderators can view a group's outgoing email/SMTP credentials in plaintext...

CVE-2026-38728

An issue in Nodemailer smtpserver before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream.write, lib/smtp-stream.js components...

CVE-2026-50205

System log files output unencrypted SMTP server authentication passwords alongside sensitive employee corporate identification data...

CVE-2026-33234 AutoGPT: SendEmailBlock's IP blocklist bypass allows SSRF via user-controlled SMTP server

AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. In versions 0.1.0 through 0.6.51, SendEmailBlock in autogptplatform/backend/backend/blocks/emailblock.py accepts a user-supplied smtpserver string and smtpport integer as...

CVE-2026-33234 AutoGPT: SendEmailBlock's IP blocklist bypass allows SSRF via user-controlled SMTP server

AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. In versions 0.1.0 through 0.6.51, SendEmailBlock in autogptplatform/backend/backend/blocks/emailblock.py accepts a user-supplied smtpserver string and smtpport integer as...

CVE-2026-33234

AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. In versions 0.1.0 through 0.6.51, SendEmailBlock in autogptplatform/backend/backend/blocks/emailblock.py accepts a user-supplied smtpserver string and smtpport integer as...

CVE-2026-33234 AutoGPT: SendEmailBlock's IP blocklist bypass allows SSRF via user-controlled SMTP server

AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. In versions 0.1.0 through 0.6.51, SendEmailBlock in autogptplatform/backend/backend/blocks/emailblock.py accepts a user-supplied smtpserver string and smtpport integer as...

Allocation of Resources Without Limits or Throttling

Overview smtp-server is a Create custom SMTP servers on the fly Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the SMTPStream.write process. An attacker can cause excessive memory consumption and potentially crash the server by...

CVE-2026-38728

An issue in Nodemailer smtpserver before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream.write, lib/smtp-stream.js components...

smtp-server 资源管理错误漏洞

smtp-server is an open-source Node.js module developed by nodemailer, used to create SMTP and LMTP server instances. Versions of smtp-server prior to 3.18.3 contained a resource management vulnerability. This vulnerability stemmed from issues with the SMTPStream.write and lib/smtp-stream.js...

CVE-2026-38728

An issue in Nodemailer smtpserver before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream.write, lib/smtp-stream.js components...

EUVD-2026-30546

An issue in Nodemailer smtpserver before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream.write, lib/smtp-stream.js components...

CVE-2026-38728

An issue in Nodemailer smtpserver before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream.write, lib/smtp-stream.js components...

Haraka 安全漏洞

Haraka is an open-source SMTP email server developed by Haraka. Versions of Haraka prior to 3.1.4 contained security vulnerabilities. These vulnerabilities occurred when sending emails with proto as the header name, which could lead to the crash of the working process...

EUVD-2025-209103

Wazuh wazuh-agent and wazuh-manager versions 2.1.0 before 4.8.0 contain multiple shell injection and untrusted search path vulnerabilities that allow attackers to execute arbitrary commands through various components including logcollector configuration, maild SMTP server tags, and Kaspersky AR...

CVE-2026-23829

Mailpit is an email testing tool and API for developers. Prior to version 1.28.3, Mailpit's SMTP server is vulnerable to Header Injection due to an insufficient Regular Expression used to validate RCPT TO and MAIL FROM addresses. An attacker can inject arbitrary SMTP headers or corrupt existing...

CVE-2024-34882

Insufficiently protected credentials in SMTP server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote administrators to send SMTP account passwords to an arbitrary server via HTTP POST request...

CVE-1999-0404

Buffer overflow in the Mail-Max SMTP server for Windows systems allows remote command execution...