CVE-2026-50752

A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated attacker positioned as a man-in-the-middle to bypass certificate validation in VPN site-to-site connections that use certificate-based authentication. Successful exploitation could all...

Incorrect Implementation of Authentication Algorithm

Overview Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm via the X509AuthenticationProvider class in X509AuthenticationProvider.java. The provider issues a fully authenticated X509AuthenticationToken whenever a presented certificate maps to...

OpenSSL 3.6.0 < 3.6.3 Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 3.6.3. It is, therefore, affected by multiple vulnerabilities as referenced in the 3.6.3 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification...

EUVD-2026-35046

A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated attacker positioned as a man-in-the-middle to bypass certificate validation in VPN site-to-site connections that use certificate-based authentication. Successful exploitation could all...

CVE-2026-50752 Certificate Validation Bypass in VPN Site-to-Site Connections Using IKEv1

A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated attacker positioned as a man-in-the-middle to bypass certificate validation in VPN site-to-site connections that use certificate-based authentication. Successful exploitation could all...

PT-2026-47277

Name of the Vulnerable Software and Affected Versions Check Point Security Gateways and Check Point Spark Firewall affected versions not specified Description A weakness in the certificate validation logic of the deprecated IKEv1 Internet Key Exchange version 1 key exchange allows an...

CVE-2026-46579

A flaw was found in the OpenShift Router. When a Route has insecureEdgeTerminationPolicy set to Allow, the HTTP frontend does not remove X-SSL-Client- headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted X-SSL-Client- headers. As a resul...

CVE-2026-23776

CVE-2026-23776 affects Dell PowerProtect Data Domain with DD OS Feature Release versions 7.7.1.0–8.5, LTS2025 8.3.1.0–8.3.1.20, and LTS2024 7.13.1.0–7.13.1.60. It reports an Improper Certificate Validation vulnerability in certificate-based login, enabling a remote attacker with network access an...

PT-2026-33432

Name of the Vulnerable Software and Affected Versions Dell PowerProtect Data Domain with Data Domain Operating System DD OS versions 7.7.1.0 through 8.5 Dell PowerProtect Data Domain with Data Domain Operating System DD OS versions 8.3.1.0 through 8.3.1.20 Dell PowerProtect Data Domain with Data...

Improper Enforcement of Behavioral Workflow

Overview Affected versions of this package are vulnerable to Improper Enforcement of Behavioral Workflow in the TLS 1.3 implementation, which processes ApplicationData records before receiving the Finished message. An attacker can bypass certificate-based client authentication by omitting the...

UBUNTU-CVE-2026-33413

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, unauthorized users may bypass authentication or authorization checks and call certain etcd functions in clusters that expose the gRPC API to untrusted or partially trusted...

CVE-2025-30042

The CGM CLININET system provides smart card authentication; however, authentication is conducted locally on the client device, and, in reality, only the certificate number is used for access verification. As a result, possession of the certificate number alone is sufficient for authentication,...

PT-2026-4747

The exos 9300 application can be used to configure Access Managers e.g. 92xx, 9230 and 9290. The configuration is done in a graphical user interface on the dormakaba exos server. As soon as the save button is clicked in exos 9300, the whole configuration is sent to the selected Access Manager via...

SUSE CVE-2025-68243

In the Linux kernel, the following vulnerability has been resolved: NFS: Check the TLS certificate fields in nfsmatchclient If the TLS security policy is of type RPCXPRTSECTLSX509, then the certserial and privkeyserial fields need to match as well since they define the client's identity, as...

CVE-2025-68243

In the Linux kernel, the following vulnerability has been resolved: NFS: Check the TLS certificate fields in nfsmatchclient If the TLS security policy is of type RPCXPRTSECTLSX509, then the certserial and privkeyserial fields need to match as well since they define the client's identity, as...

CVE-2025-9312 Improper Certificate-Based Authentication Enforcement in Multiple WSO2 Products

A missing authentication enforcement vulnerability exists in the mutual TLS mTLS implementation used by System REST APIs and SOAP services in multiple WSO2 products. Due to improper validation of client certificate–based authentication in certain default configurations, the affected components ma...

GHSA-JHPV-4Q4F-43G5 Akka.Remote TLS did not properly implement certificate-based authentication

Impact This is a critical network security vulnerability for Akka.Remote users who have SSL / TLS enabled on their Akka.Remote connections and were expecting certificate-based authentication to be enforced on all peers attempting to join the network. In all versions of Akka.Remote from v1.2.0 to...

EUVD-2020-4369

Malware in sbrugna...

EUVD-2021-21089

Malware in sbrugna...

EUVD-2022-6404

Malicious code in bioql PyPI...