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...

CVE-2026-50752

A vulnerability exists in the certificate validation logic of the deprecated IKEv1 key exchange in Check Point Security Gateways and Spark Firewalls . This flaw allows an unauthenticated man-in-the-middle attacker to bypass certificate verification in VPN site-to-site connections using certificat...

CVE-2026-50752: Improper Certificate Validation

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-2026-47708

CVE-2024-56121 - OpenSSL: Improper Certificate Validation Weakness CVE ID :CVE-2024-56121 Published : June 8, 2026, 10:16 a.m. | 44 minutes ago Description :Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. Severity: 0.0 | NA Visit the link for more...

VulnCheck KEV: CVE-2026-50751

A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password...

PT-2026-47276

Name of the Vulnerable Software and Affected Versions Check Point Remote Access VPN affected versions not specified Check Point Mobile Access/SSL VPN affected versions not specified Check Point Spark firewalls affected versions not specified Description A logic flow weakness exists in the...

TencentOS Server 4: gnutls (TSSA-2026:0431)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0431 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

RHEL 10 : podman (RHSA-2026:24470)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24470 advisory. The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to insecure handling of TLS connections when communicating with vCenter. An attacker can intercept and obtain administrator credentials by performing a man-in-the-middle attack. Remediation A fix was...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to insecure handling of TLS connections when communicating with vCenter. An attacker can intercept and obtain administrator credentials by performing a man-in-the-middle attack. Remediation A fix was...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to insecure handling of TLS connections when communicating with vCenter. An attacker can intercept and obtain administrator credentials by performing a man-in-the-middle attack. Remediation A fix was...

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...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to insecure handling of TLS connections when communicating with vCenter. An attacker can intercept and obtain administrator credentials by performing a man-in-the-middle attack. Remediation A fix was...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to insecure handling of TLS connections when communicating with vCenter. An attacker can intercept and obtain administrator credentials by performing a man-in-the-middle attack. Remediation A fix was...

CVE-2026-42791

A flaw was found in Erlang OTP's publickey application, specifically in the Online Certificate Status Protocol OCSP response verification. A remote attacker who has obtained the private key of an expired Certificate Authority CA-designated OCSP responder certificate can forge OCSP responses. This...

SUSE CVE-2026-44393

An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3.0. The oslo.messaging RabbitMQ driver does not perform TLS hostname verification when connecting to the message broker. When sslcafile is configured, the driver enables certificate chain validation but does not pass the expect...

RHEL 10 : java-21-ibm-semeru-certified-jdk (RHSA-2026:22328)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:22328 advisory. The IBM Semeru Runtime Certified Edition 21 runtime environment. Security Fixes: freetype: Information disclosure or denial of service via...

RHEL 9 : rhc (RHSA-2026:22309)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:22309 advisory. rhc is a client tool and daemon that connects the system to Red Hat hosted services enabling system and subscription management. Security...

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-2025-42611

RouterOS provides various services that rely on correct verification of client and server certificates to secure confidentiality and integrity of communications. This includes OpenVPN, CAPsMAN, Dot1x 802.1X, among others. The vulnerability lies in shared certificate validation logic which uses th...