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-2026-41016

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-2026-41016 Apache Airflow Providers SMTP: No certificate validation on SMTP STARTTLS connections in SMTP provider

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...

PT-2026-36084

Name of the Vulnerable Software and Affected Versions apache-airflow-providers-smtp affected versions not specified Description The SmtpHook component in the SMTP provider calls the Python function smtplib.SMTP.starttls without an SSL context. This omission prevents certificate validation during...

Improper Certificate Validation

Overview ckan is a world’s leading Open Source data portal platform. It powers dozens of Open Data portals around the world, including data.gov, open.canada.ca and europeandataportal.eu but also regional, research and community organizations. It makes easy to publish, share and find data online a...

GHSA-MPFM-FPGX-647Q CKAN has no certificate validation on STMP connection

Impact Configured SMTP server may be spoofed with any certificate e.g. self-signed, leaving credentials and all emails sent open to MITM attacks. Patches The vulnerability has been patched in CKAN 2.10.10 and CKAN 2.11.5...

CKAN has no certificate validation on STMP connection

Impact Configured SMTP server may be spoofed with any certificate e.g. self-signed, leaving credentials and all emails sent open to MITM attacks. Patches The vulnerability has been patched in CKAN 2.10.10 and CKAN 2.11.5...

GHSA-55M9-299J-53C7 OneCollector exporter reads unbounded HTTP response bodies

Summary When exporting telemetry to a back-end/collector over HTTP using the OpenTelemetry.Exporter.OneCollector exporter, if the request results in a unsuccessful request i.e. HTTP 4xx or 5xx, the response is read into memory with no upper-bound on the number of bytes consumed. This could cause...

OneCollector exporter reads unbounded HTTP response bodies

Summary When exporting telemetry to a back-end/collector over HTTP using the OpenTelemetry.Exporter.OneCollector exporter, if the request results in a unsuccessful request i.e. HTTP 4xx or 5xx, the response is read into memory with no upper-bound on the number of bytes consumed. This could cause...

OpenTelemetry.Resources.Azure has an unbounded HTTP response body read

Summary OpenTelemetry.Resources.Azure reads unbounded HTTP response bodies from the Azure VM remote instance metadata service endpoint into memory. This would allow an attacker-controlled endpoint or one acting as a Man-in-the-Middle MitM to cause excessive memory allocation and possible process...

Improper Hostname Verification

Spring Boot is vulnerable to improper hostname verification. The vulnerability is due to missing hostname verification in SSL bundle configuration, which allows an attacker to perform man-in-the-middle attacks by impersonating the RabbitMQ broker...

PT-2026-37115

Name of the Vulnerable Software and Affected Versions OpenTelemetry.Resources.Azure versions prior to 1.15.0-beta.2 Description The AzureVmMetaDataRequestor function makes HTTP requests to the Azure VM instance metadata service and reads the response body into memory without a size limit. An...

Improper Validation of Specified Quantity in Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input due to improper handling of oversized Subject Alternative Name fields during certificate validation. An attacker can bypass certificate validation by crafting a certificate with an...

CVE-2026-40970

A flaw was found in Spring Boot. When configured to use an SSL Secure Sockets Layer bundle, the Elasticsearch auto-configuration component does not perform hostname verification when establishing a connection to the Elasticsearch server. An attacker on an adjacent network could exploit this by...

Improper Validation of Certificate with Host Mismatch

Overview org.apache.thrift:libthrift is a lightweight, language-independent software stack with an associated code generation mechanism for point-to-point RPC. Affected versions of this package are vulnerable to Improper Validation of Certificate with Host Mismatch due to insufficient verificatio...

Improper Certificate Validation

Overview org.apache.storm:storm-metrics-prometheus is a Distributed and fault-tolerant realtime computation Affected versions of this package are vulnerable to Improper Certificate Validation in the INSECURECONNECTIONFACTORY calls. An attacker can intercept sensitive data and credentials by...

CVE-2026-40557

Summary: CVE-2026-40557 affects Apache Storm Prometheus Reporter (versions 2.6.3–2.8.6). The issue stems from PrometheusPreparableReporter implementing an INSECURE_TRUST_MANAGER and, when storm.daemon.metrics.reporter.plugin.prometheus.skip_tls_validation is enabled, triggering SSLContext.setDefa...

Apache Storm Prometheus Reporter 信任管理问题漏洞

Apache Storm Prometheus Reporter is a monitoring component developed by the Apache Foundation that converts metrics from distributed stream processing systems into Prometheus format. Versions 2.6.3 to 2.8.6 of Apache Storm Prometheus Reporter contain vulnerabilities related to trust management...

CVE-2026-41275

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the password reset functionality on cloud.flowiseai.com sends a reset password link over the unsecured HTTP protocol instead of HTTPS. This behavior introduces the risk of a man-in-the-middle...

CVE-2026-41319 MailKit has STARTTLS Response Injection via unflushed stream buffer that enables SASL mechanism downgrade

MailKit is a cross-platform mail client library built on top of MimeKit. A STARTTLS Response Injection vulnerability in versions prior to 4.16.0 allows a Man-in-the-Middle attacker to inject arbitrary protocol responses across the plaintext-to-TLS trust boundary, enabling SASL authentication...