CVE-2026-93493

CVE-2026-93493 affects Netty's netty-handler-ssl-ocsp component. The flaw is in OCSP certificate validation: when a remote attacker supplies an OCSP response that omits the optional nextUpdate field, the validation is silently skipped , causing the application to proceed with an unvalidated certi...

EulerOS 2.0 SP10 : gnutls (EulerOS-SA-2026-3738)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform...

Fortinet FortiProxy 7.6.2 < 7.6.7 Improper Certificate Validation with Host Mismatch (FG-IR-26-174)

The version of FortiProxy installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-174 advisory. - An improper validation of certificate with host mismatch vulnerability in Fortinet FortiProxy 7.6.2 through 7.6.6 may allo...

Fortinet Fortigate ZTNA Portal Improper Certificate Validation (FG-IR-26-174)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-174 advisory. - A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy...

PT-2026-95327

Name of the Vulnerable Software and Affected Versions Synology DiskStation Manager versions prior to 7.2.1-69057-10 Synology DiskStation Manager versions prior to 7.2.2-72806-7 Synology DiskStation Manager versions prior to 7.3.2-86009-2 Description An improper certificate validation issue exists...

CVE-2026-93601: Improper Certificate Validation

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

PT-2026-99977

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

PT-2026-99967

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

PT-2026-95683

Name of the Vulnerable Software and Affected Versions IBM Guardium Data Protection version 12.2 Description Improper certificate validation may allow a remote attacker to bypass security restrictions. Recommendations At the moment, there is no information about a newer version that contains a fix...

CVE-2026-84081: Improper Certificate Validation

IBM Guardium Data Protection 12.2 could allow a remote attacker to bypass security restrictions due to improper certificate validation...

CVE-2026-84975: Improper Certificate Validation

PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the OpenSSL and GnuTLS backends in pjlib/src/pj/sslsockossl.c and pjlib/src/pj/sslsockgtls.c copy DNS SubjectAltName values with string functions that recalculate their length and truncate an...

CVE-2026-40539: Improper Certificate Validation

An improper certificate validation vulnerability in Email API in Synology DiskStation Manager DSM before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows man-in-the-middle attackers to read or write arbitrary files and conduct denial-of-service attacks...

CVE-2026-93600: Improper Certificate Validation

rustls-webpki rustls/webpki versions 0.101.0 through 0.103.11 and 0.104.0-alpha releases before 0.104.0-alpha.6 ignore X.509 name constraints that apply to URI names, causing such constraints to be accepted rather than enforced. Because name constraints are restrictions on otherwise properly issu...

EulerOS 2.0 SP10 : gnutls (EulerOS-SA-2026-3691)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform...

PT-2026-95726

Name of the Vulnerable Software and Affected Versions anyio versions prior to 4.14.2 Description Services using internationalized non-ASCII domain names are susceptible to a TLS certificate validation bypass. When using the connect tcp function or TLSStream.wrap, the software mishandles the...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation through the UseCertificateAuthorization flow in Authorization.Certificate, specifically the AddOrgAndSpacePolicies authorization path that trusts the X-Client-Cert header. An attacker can bypass SameOrg a...

Security Bulletin: Vulnerability in Spring Boot affects DB2 Dev Extension (CVE-2026-40992, CVE-2026-41001)

Summary Upgraded spring-boot-autoconfigure to 3.5.15 to remediate CVE-2026-40992 Improper Certificate Validation and CVE-2026-41001 Insecure Temporary File — highest CVSS Base Score 5.3 Medium — PVR0789890. Vulnerability Details CVEID:CVE-2026-40992 DESCRIPTION: Spring Boot's Mail...

CVE-2026-81447

Dell OpenManage Server Administrator, versions prior to 11.1.0.3, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Information disclosure and Information tampering...

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-2026-81447

Dell OpenManage Server Administrator, versions prior to 11.1.0.3, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Information disclosure and Information tampering...