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 ...

OPENSUSE-SU-2026:20566-1 Security update for Botan

This update for Botan fixes the following issue: - CVE-2026-32884: Certificate validation bypass due to mixed-case Common Name in X.509 certificates bsc1261993...

Exploit for Improper Certificate Validation in Wolfssl

CVE-2026-5194 - Security Vulnerability Quick Usage bas...

CVE-2026-5052

A flaw was found in Vault’s PKI engine. The ACME Automated Certificate Management Environment validation process did not properly restrict requests to local network targets when handling http-01 and tls-alpn-01 challenges. This vulnerability, known as Server-Side Request Forgery SSRF, could allow...

EUVD-2026-23395

Dell PowerProtect Data Domain with Data Domain Operating System DD OS of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contains an Improper Certificate Validation vulnerability in...

CLSA-2026-1776427525 golang: Fix of 3 CVEs

CVE-2025-61723: fix non-linear processing time when parsing invalid PEM inputs that could lead to denial of service - CVE-2025-58187: fix quadratic complexity when checking name constraints in crypto/x509 certificate validation - CVE-2025-58188: fix panic when validating certificates with DSA...

CVE-2026-23776

Dell PowerProtect Data Domain with Data Domain Operating System DD OS of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contains an Improper Certificate Validation vulnerability in...

CVE-2026-23776

Dell PowerProtect Data Domain with Data Domain Operating System DD OS of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contains an Improper Certificate Validation vulnerability in...

CVE-2026-23776

Dell PowerProtect Data Domain with Data Domain Operating System DD OS of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contains an Improper Certificate Validation vulnerability in...

CVE-2026-23776

Dell PowerProtect Data Domain with Data Domain Operating System DD OS of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contains an Improper Certificate Validation vulnerability in...

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...

Lack of vulnerability awareness in Cisco WebEx Services

Cisco has identified a vulnerability in Cisco Webex Services, specifically in the SSO integration with Control Hub. The vulnerability lies in the incorrect validation of certificates during the SSO integration of Cisco Webex Services through Control Hub. An unauthenticated external attacker can...

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...

Siemens Solid Edge Improper Certificate Validation (SSA-981622)

The version of Siemens Solid Edge installed on the remote Windows host is SE2025 prior to V225.0 Update 13 or SE2026 prior to V226.0 Update 04. It is, therefore, affected by an improper certificate validation vulnerability. - Affected applications do not properly validate client certificates to...

CVE-2026-20184

A vulnerability in the integration of single sign-on SSO with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability...

EUVD-2026-22971

A vulnerability in the integration of single sign-on SSO with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability...

tomcat: Client certificate verification bypass due to virtual host mapping

A certificate validation flaw has been found in Apache Tomcat. omcat did not validate that the host name provided via the SNI extension was the same as the host name provided in the HTTP host header field. If Tomcat was configured with more than one virtual host and the TLS configuration for one ...

CVE-2026-20184

A vulnerability in the integration of single sign-on SSO with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability...