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...

Python Library Django 5.2.x < 5.2.15 / 6.0.x < 6.0.6 Multiple Vulnerabilities

The detected version of the Django Python package is 5.2.x prior to 5.2.15 or 6.0.x prior to 6.0.6. It is, therefore, affected by multiple vulnerabilities, including: - django.middleware.cache.UpdateCacheMiddleware does not add Authorization to the Vary response header for requests bearing that...

SUSE CVE-2026-7666

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-2026-7666

A flaw was found in Django. An on-path network attacker could exploit a vulnerability in django.core.mail.backends.smtp.EmailBackend where a partially-initialized connection is reused after a failed STARTTLS handshake when failsilently=True. This could allow the attacker to intercept and read ema...

GHSA-MM6V-Q8Q9-PGCF Django fails to prevent reuse of a partially-initialized connection after a failed `STARTTLS` handshake

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-2026-7666

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...

PYSEC-2026-200

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 emai...

PYSEC-2026-200

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-2026-7666 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-2026-7666

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-2026-7666 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-2026-7666

Django 6.0 before 6.0.6 and 5.2 before 5.2.15 are affected. The SMTP email backend (django.core.mail.backends.smtp.EmailBackend) may reuse a partially-initialized connection after a failed STARTTLS handshake when fail_silently=True, allowing on-path attackers to read email content in cleartext. T...

CVE-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...

Django 安全漏洞

Django is a set of open-source web frameworks based on the Python language, developed by the Django Foundation. This framework includes an object-oriented mapper, view system, template system, etc. Versions of Django prior to 6.0.6 and 5.2.15 contained security vulnerabilities. These...

Linux Distros Unpatched Vulnerability : CVE-2026-7666

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-49267

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...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation in the airflow.utils.email process. An attacker can intercept sensitive information, such as SMTP authentication credentials and email contents, by performing a man-in-the-middle attack during the STARTTL...

Improper Certificate Validation

Overview apache-airflow-providers-smtp is a Provider for Apache Airflow. Implements apache-airflow-providers-smtp package Affected versions of this package are vulnerable to Improper Certificate Validation in the airflow.utils.email process. An attacker can intercept sensitive information, such a...

CVE-2026-49267

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...

CVE-2026-49267

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...