Improper Certificate Validation

Netty is vulnerable to Improper Certificate Validation. The vulnerability is due to improper wrapping of user-supplied X509TrustManager instances that bypasses hostname verification during TLS certificate validation, which allows an attacker to perform man-in-the-middle attacks using certificates...

Exploit for Improper Authentication in Checkpoint Gaia_Os

CVE-2026-50751 Scanner Multi-target detection scanner for CV...

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 ...

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 ...

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 ...

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 ...

cve-2026-41714 - MEDIUM - In Spring AMQP the `RabbitConnectionFactoryBean.setUri("amqps://...")` bypasses secure SSL setup, uses `TrustEverythingTrustManager`

cve-2026-41714 - MEDIUM - In Spring AMQP the RabbitConnectionFactoryBean.setUri"amqps://..." bypasses secure SSL setup, uses TrustEverythingTrustManager...

CVE-2026-45745 Termix has improper certificate validation in Electron desktop client that enables MITM credential/token theft

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Starting in version 1.7.0, Termix Desktop Electron disables TLS certificate validation, allowing a machine-in-the-middle attacker to intercept and modify HTTPS traffic to the configured...

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 ...

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 ...

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 ...

Gnutls: gnutls: certificate validation bypass due to improper handling of uri and srv sans

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RLSA-2026:19353 Important: opentelemetry-collector security update

Collector with the supported components for a Rocky Enterprise Software Foundation build of OpenTelemetry Security Fixes: net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to...

CVE-2026-47074

Improper Certificate Validation vulnerability in ex-aws exawssns ExAws.SNS, ExAws.SNS.PublicKeyCache modules allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/exaws/sns.ex, lib/exaws/sns/publickeycache.ex and program routines...

CVE-2026-47074 ex_aws_sns SigningCertURL not validated in verify_message/1

Improper Certificate Validation vulnerability in ex-aws exawssns ExAws.SNS, ExAws.SNS.PublicKeyCache modules allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/exaws/sns.ex, lib/exaws/sns/publickeycache.ex and program routines...

UBUNTU-CVE-2026-42790

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

CVE-2026-42790

Erlang OTP has a vulnerability (CVE-2026-42790) in the public_key module (pubkey_cert and public_key) where DNS nameConstraints can be bypassed via CommonName fallback in TLS hostname verification. The issue occurs because pubkey_cert:validate_names/6 only checks SAN DNS entries against nameConst...

CVE-2026-42013

A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...

CVE-2026-44213 OpenTelemetry.Exporter.Instana bypasses TLS certificate validation when a proxy is configured

The OpenTelemetry.Exporter.Instana exports telemetry to Instana backend. Prior to 1.1.0, 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...

CVE-2026-42013 Gnutls: gnutls: certificate validation bypass due to oversized subject alternative name

A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...