Unity Linux 20.1060e / 20.1070e Security Update: postgresql (UTSA-2026-017516)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017516 advisory. A flaw was found in PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before 9.6.20 and before 9.5.24. If a client application that creates...

Unity Linux 20.1070e Security Update: postgresql (UTSA-2026-017787)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017787 advisory. A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption. Tenable ha...

Unity Linux 20.1060e / 20.1070e Security Update: mutt (UTSA-2026-017533)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017533 advisory. Mutt before 2.0.2 and NeoMutt before 2020-11-20 did not ensure that $sslforcetls was processed if an IMAP server's initial server response was invalid. The connectio...

CVE-2026-42246

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAPstarttls to return "successfully", without starting TLS. This issue has been patched in versions 0.3.10,...

CVE-2026-42246 net-imap vulnerable to STARTTLS stripping via invalid response timing

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAPstarttls to return "successfully", without starting TLS. This issue has been patched in versions 0.3.10,...

ex_webrtc client-role handshake is missing DTLS peer fingerprint validation

Summary Missing DTLS peer certificate fingerprint validation in the DTLS client active role removes one side of WebRTC's mutual authentication. The bug is not independently exploitable for media interception in standard deployments, but enables a full man-in-the-middle attack when chained with...

EUVD-2026-28618

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

CVE-2026-43334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

CVE-2026-43334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

Exploit for Improper Certificate Validation in Bluestacks

CVE-2025-44964 — BlueStacks v5.20 Improper SSL Certificate Val...

PT-2026-38362

Name of the Vulnerable Software and Affected Versions Claude Desktop versions 1.2581.0 through 1.4303.0 Description The SSH remote development feature fails to compare the server's presented host key against the stored key, verifying only if the hostname exists in the /.ssh/known hosts file. This...

CVE-2026-41484

OpenTelemetry.Exporter.OneCollector is a .NET exporter that sends telemetry to a OneCollector back-end over HTTP. In versions 1.15.0 and earlier, when a request to the configured back-end or collector results in an unsuccessful HTTP 4xx or 5xx response, the HttpJsonPostTransport class reads the...

Lemur: LDAP Authentication Globally Disables TLS Certificate Verification When LDAP_USE_TLS Is Enabled

Description Overview When LDAP TLS is enabled LDAPUSETLS = True, Lemur's LDAP authentication module unconditionally disables TLS certificate verification at the global ldap module level. This allows a man-in-the-middle attacker positioned between Lemur and the LDAP server to intercept all...

Improper Validation Of Certificate

Apache Thrift is vulnerable to Improper Validation of Certificate. The vulnerability is due to improper validation of certificates against the host name, which allows an attacker to perform man-in-the-middle attacks by presenting a mismatched or malicious certificate...

CVE-2026-40974

A flaw was found in Spring Boot's Cassandra auto-configuration. This vulnerability allows an adjacent attacker to bypass hostname verification during SSL Secure Sockets Layer connection establishment to Cassandra. This could enable a man-in-the-middle attack, potentially leading to unauthorized...

gnutls: gnutls: Security bypass due to incorrect name constraint handling

A flaw was found in gnutls. This vulnerability occurs because permitted name constraints were incorrectly ignored when previous Certificate Authorities CAs only had excluded name constraints. A remote attacker could exploit this to bypass critical name constraint checks during certificate...

Linux Distros Unpatched Vulnerability : CVE-2026-31773

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: SMP: derive legacy responder STK authentication from MITM state The legacy responder path in smprandom currently labels the stored STK as authenticat...

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...

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...

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...