Improper Certificate Validation

CKAN is vulnerable to Improper Certificate Validation. The vulnerability is due to insufficient validation of SMTP server certificates, allowing attackers to spoof the configured mail server using invalid or self-signed certificates and enabling man-in-the-middle attacks against email traffic and...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: golang (UTSA-2026-016810)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016810 advisory. Due to the design of the name constraint checking algorithm, the processing time of some inputs scale non- linearly with respect to the size of the certificate. This...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation via the SignedPublicKeysTrustValidatorImpl.isTrusted function. An attacker can bypass signature verification and gain unauthorized access by providing any structurally valid ECDSA signature, as the boolea...

epa4all-client has a VAU Signature bypass

Impact In SignedPublicKeysTrustValidatorImpl.isTrusted, the ECDSA signature verification at line 45 discards the boolean return value of Signature.verify. The method performs certificate chain validation, OCSP check, and signature algorithm setup, but never checks whether the signature actually...

CLSA-2026-1778256918 java-17-openjdk: Fix of 8 CVEs

Update to jdk-17.0.19+10 GA - CVE-2026-22007: Enhance crypto algorithm support - CVE-2026-22013: Improve Kerberos credentialing - CVE-2026-22016: Enhance Path Factories Redux - CVE-2026-22018: Enhance Zip file reading - CVE-2026-22021: Enhance certificate chain validation - CVE-2026-23865:...

Improper Certificate Validation

Overview OpenTelemetry.Exporter.Instana is an Instana Exporter for OpenTelemetry .NET Affected versions of this package are vulnerable to Improper Certificate Validation in the ConfigureBackendClient process when a proxy is configured using the INSTANAENDPOINTPROXY environment variable. An attack...

GHSA-WFR5-454P-MJC2 OpenTelemetry.Exporter.Instana bypasses TLS certificate validation when a proxy is configured

Summary The OpenTelemetry.Exporter.Instana NuGet package does not validate HTTPS/TLS certificates are valid when sending telemetry to a configured Instana back-end when a proxy is configured using the INSTANAENDPOINTPROXY environment variable. If a network attacker can Man-in-the-Middle MitM the...

Man-in-the-middle

Apache Airflow is vulnerable to Man-in-the-middle. The vulnerability is due to the lack of certificate validation when using the SMTP provider SmtpHook, where a man-in-the-middle between the Airflow worker and the SMTP server could present a self-signed certificate and capture the SMTP credential...

MikroTik RouterOS <= 7.20 Authentication Bypass via Improper Certificate Validation (CVE-2025-42611)

According to its self-reported version, the remote networking device is running a version of MikroTik RouterOS 7.x prior to or equal to 7.20. It is, therefore, affected by an authentication bypass vulnerability caused by improper certificate validation. The vulnerability lies in shared certificat...

Exploit for Improper Certificate Validation in Bluestacks

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

EUVD-2026-28397

Improper certificate validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to enroll a device belonging to a restricted set of unenrolled devices, leading to information disclosure about EPMM appliance and impacting on the integrity of...

EUVD-2026-28394

An Improper Certificate Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to impersonate registered Sentry hosts and obtain valid CA-signed client certificates...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

Important: Red Hat Security Advisory: Red Hat OpenShift distributed tracing platform (Tempo) 3.9.3 release

Red Hat OpenShift distributed tracing platform Tempo 3.9.3 has been released This release of the Red Hat OpenShift distributed tracing platform Tempo provides security improvements and bug fixes. Breaking changes: None. Deprecations: None. Technology Preview features: None. Enhancements: None. Bu...

CVE-2026-7821

Improper certificate validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to enroll a device belonging to a restricted set of unenrolled devices, leading to information disclosure about EPMM appliance and impacting on the integrity of...

CVE-2026-5787

An Improper Certificate Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to impersonate registered Sentry hosts and obtain valid CA-signed client certificates...

EUVD-2026-28386

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...

CVE-2026-5787

An Improper Certificate Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to impersonate registered Sentry hosts and obtain valid CA-signed client certificates...

CVE-2026-5787

CVE-2026-5787 is an improper certificate validation vulnerability in Ivanti Endpoint Manager Mobile (EPMM) prior to versions 12.6.1.1, 12.7.0.1, and 12.8.0.1. An unauthenticated remote attacker can impersonate registered Sentry hosts and obtain valid CA-signed client certificates. This CVE is lis...

CVE-2026-5787

An Improper Certificate Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to impersonate registered Sentry hosts and obtain valid CA-signed client certificates...