CVE-2026-48838

CVE-2026-48838 covers an unauthenticated Cross Site Scripting (XSS) vulnerability in the WordPress Post SMTP plugin, versions

CVE-2026-48838 WordPress Post SMTP plugin <= 3.6.2 - Cross Site Scripting (XSS) vulnerability

Unauthenticated Cross Site Scripting XSS in Post SMTP = 3.6.2 versions...

PT-2026-49475

Unauthenticated Cross Site Scripting XSS in Post SMTP = 3.6.2 versions...

openSUSE 16 Security Update : python-Django (openSUSE-SU-2026:20937-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20937-1 advisory. Changes in python-Django: - CVE-2026-6873: Signed cookie salt namespace collision bsc1267578 - CVE-2026-7666: Potential unencrypted email...

CVE-2026-44784

Discourse has a vulnerability where non-staff group owners can access a group’s outgoing SMTP credentials in plaintext via the group history log (/groups/:name/logs.json). Affected fields include email_password, email_username, smtp_server, smtp_port, and smtp_ssl_mode, with SMTP password being t...

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...

OESA-2026-2661 python-django security update

A high-level Python Web framework that encourages rapid development and clean, pragmatic design. Security Fixes: An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not add Authorization to the Vary response header...

OESA-2026-2660 python-django security update

A high-level Python Web framework that encourages rapid development and clean, pragmatic design. Security Fixes: An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not add Authorization to the Vary response header...

OESA-2026-2659 python-django security update

A high-level Python Web framework that encourages rapid development and clean, pragmatic design. Security Fixes: An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not add Authorization to the Vary response header...

Security update for python-Django

This update for python-Django fixes the following issues CVE-2026-6873: signed cookie salt namespace collision in django.http.HttpRequest.getsignedcookie bsc1267578. CVE-2026-7666: potential unencrypted email transmission via STARTTLS in the SMTP backend bsc1267579. CVE-2026-8404: potential...

Medium: sendmail

Issue Overview: sendmail through at least 8.14.7 allows SMTP smuggling in certain configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because sendmail...

Amazon Linux 2023 : sendmail, sendmail-cf, sendmail-milter (ALAS2023-2026-1818)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1818 advisory. sendmail through at least 8.14.7 allows SMTP smuggling in certain configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address,...

TencentOS Server 4: nginx (TSSA-2026:0275)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0275 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

BIT-DJANGO-2026-7666 Potential unencrypted email transmission via STARTTLS in the SMTP backend

An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15. django.core.mail.backends.smtp.EmailBackend in Django fails to prevent reuse of a partially-initialized connection after a failed STARTTLS handshake when failsilently=True, which allows on-path network attackers to read ema...

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-2026-41016

Apache Airflow's SMTP provider SmtpHook called Python's smtplib.SMTP.starttls without an SSL context, so no certificate validation was performed on the TLS upgrade. A man-in-the-middle between the Airflow worker and the SMTP server could present a self-signed certificate, complete the STARTTLS...

CVE-2026-50205

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

CVE-2026-33715

Chamilo LMS is an open-source learning management system. In version 2.0-RC.2, the file public/main/inc/ajax/install.ajax.php is accessible without authentication on fully installed instances because, unlike other AJAX endpoints, it does not include the global.inc.php file that performs...

BIT-AIRFLOW-2026-49267 Apache Airflow: No certificate validation on SMTP STARTTLS connections

Apache Airflow's EmailOperator and the underlying airflow.utils.email helpers established SMTP STARTTLS connections without verifying the remote certificate when the deployment used email smtpstarttls=True without email smtpssl. An attacker positioned between the worker and the configured SMTP...

PCPJack Hijacks 230 AWS, Google Cloud, and Azure Servers for Covert SMTP Relay Network

The threat actor known as PCPJack has hijacked cloud servers associated with Amazon Web Services AWS, Google Cloud, and Microsoft Azure to create a covert SMTP email relay network. "Compromised business servers across the U.S., Europe, and Asia were quietly converted into SMTP proxies, verified f...