Malicious code in smtp-test-server-node (npm)

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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...

Apache Airflow missing Certificate Validation

Apache Airflow SMTP Provider before 1.3.0, Apache Airflow IMAP Provider before 3.3.0, andApache Airflow before 2.7.0 are affected by theValidation of OpenSSL Certificate vulnerability.The default SSL context with SSL library did not check a server's X.509certificate. Instead, the code accepted an...

PYSEC-2026-1130 Apache Airflow missing Certificate Validation

Apache Airflow SMTP Provider before 1.3.0, Apache Airflow IMAP Provider before 3.3.0, and Apache Airflow before 2.7.0 are affected by the Validation of OpenSSL Certificate vulnerability. The default SSL context with SSL library did not check a server's X.509 certificate. Instead, the code accepte...

WordPress AcyMailing SMTP Newsletter plugin <= 10.11.0 - SQL Injection vulnerability

SQL Injection vulnerability discovered by kai63001 in WordPress Plugin AcyMailing SMTP Newsletter versions = 10.11.0...

WordPress AcyMailing SMTP Newsletter plugin <= 10.11.0 - Cross Site Scripting (XSS) vulnerability

Cross Site Scripting XSS vulnerability discovered by daroo in WordPress Plugin AcyMailing SMTP Newsletter versions = 10.11.0...

GHSA-29VJ-9MGP-MWP2 Apache Camel-Mail: The mail producer applied attacker-supplied mail.smtp.* / mail.smtps.* message headers as JavaMail session properties

Improper Input Validation, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Camel Mail Component. The camel-mail producer MailProducer.getSender scanned the outgoing Exchange for message headers in the mail.smtp. / mail.smtps. namespace and, when any were present...

CVE-2026-46584

Improper Input Validation, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Camel Mail Component. The camel-mail producer MailProducer.getSender scanned the outgoing Exchange for message headers in the mail.smtp. / mail.smtps. namespace and, when any were present...

CVE-2026-1433

uniFLOW Universal Login Manager ULM Standalone contains an information disclosure vulnerability that may allow an authenticated administrator to access sensitive configuration information through the ULM Remote User Interface RUI. Exploitation requires administrative privileges and may disclose...

CVE-2026-1433

The CVE-2026-1433 issue affects uniFLOW Universal Login Manager (ULM) Standalone. An information disclosure vulnerability allows an authenticated administrator to access sensitive configuration data via the ULM Remote User Interface (RUI). The exposure can reveal SMTP/LDAP integration configurati...

CVE-2026-46584

CVE-2026-46584 affects Apache Camel’s Mail component. The MailProducer.getSender could read headers from the mail.smtp/mail.smtps namespace and apply them as JavaMail session properties, overriding endpoint config. This allows attacker-controlled inputs to influence SMTP parameters if untrusted i...

Security Bulletin: Log4j Core TLS hostname verification bypass via verifyHostName XML attribute allows man-in-the-middle attacks on SMTP/Socket/Syslog appenders.

Summary Vulnerabilities have been identified in Apache Log4j Core affecting TLS security and log integrity. The first leaves TLS hostname verification silently ineffective through version 2.25.3, exposing SMTP, Socket, and Syslog appenders to man-in-the-middle attacks. The second introduces CRLF...

Security Bulletin: Log4j Core TLS hostname verification bypass via verifyHostName XML attribute allows man-in-the-middle attacks on SMTP/Socket/Syslog appenders.

Summary Vulnerabilities have been identified in Apache Log4j Core versions up to 2.25.3 and the Log4j 1-to-2 bridge, covering TLS hostname verification bypass, CRLF log injection, and malformed XML output due to improper character escaping. Collectively, these issues expose applications to...

CVE-2026-57657

Unauthenticated Cross Site Request Forgery CSRF in Gmail SMTP = 1.2.3.19 versions...

CVE-2026-57657

Unauthenticated Cross Site Request Forgery CSRF in Gmail SMTP = 1.2.3.19 versions...

CVE-2026-57657 WordPress Gmail SMTP plugin <= 1.2.3.19 - Cross Site Request Forgery (CSRF) vulnerability

Unauthenticated Cross Site Request Forgery CSRF in Gmail SMTP = 1.2.3.19 versions...

CVE-2026-57657

The connected sources confirm an unauthenticated Cross Site Request Forgery (CSRF) vulnerability in the WordPress Gmail SMTP plugin, affecting versions up to 1.2.3.19. The issue is documented across CVE entries and third-party listings as CVE-2026-57657 and specifies the affected product as the W...

WordPress Gmail SMTP plugin <= 1.2.3.19 - Cross Site Request Forgery (CSRF) vulnerability

Cross Site Request Forgery CSRF vulnerability discovered by Ananda Dhakal Patchstack in WordPress Plugin Gmail SMTP versions = 1.2.3.19...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the handling of SMTP DATA and /api/v1/send request bodies. An attacker can cause the application to exhaust system memory and become unresponsive by sending requests with...

CVE-2026-56766

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...