GHSA-V3Q9-HJ7J-63HQ aiosmtplib vulnerable to SMTP command injection via CR/LF in sender/recipient address

Summary aiosmtplib's SMTP.mail, SMTP.rcpt, SMTP.vrfy and SMTP.expn send the caller-supplied email address to the server without rejecting embedded CR/LF \r\n bytes. An address that contains a CR/LF is written verbatim onto the SMTP control connection, so the bytes after the CRLF are framed by the...

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...

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...

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...

Majordomo2 - SMTP/HTTP Directory Traversal

A directory traversal vulnerability in the listfileget function in lib/Majordomo.pm in Majordomo 2 before 20110131 allows remote attackers to read arbitrary files via .. dot dot sequences in the help command, as demonstrated using 1 a crafted email and 2 cgi-bin/mjwwwusr in the web interface. id:...

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...

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...

PT-2026-52540

Name of the Vulnerable Software and Affected Versions Hydra versions prior to 9.7 commit 9cc84c2 Description A stack buffer overflow exists in the NTLM authentication process across the SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules. The issue occurs when the software...

CVE-2026-49979

Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 1.99, the POST /api/v1/admin/send-test-email endpoint accepts attacker-controlled smtpHost and smtpPort values and establishes a raw JavaMail TCP connection without any IP validation. This completely bypasses...

CVE-2026-49979

Appsmith prior to version 1.99 exposes a vulnerability in the POST /api/v1/admin/send-test-email endpoint. An attacker can supply smtpHost and smtpPort values to establish a raw JavaMail TCP connection, bypassing WebClientUtils.IP_CHECK_FILTER (which only applies to Spring WebClient HTTP requests...

CVE-2026-49979 Appsmith: SSRF via `POST /api/v1/admin/send-test-email` — JavaMail Bypasses WebClient IP Filter

Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 1.99, the POST /api/v1/admin/send-test-email endpoint accepts attacker-controlled smtpHost and smtpPort values and establishes a raw JavaMail TCP connection without any IP validation. This completely bypasses...