PT-2026-24011

Name of the Vulnerable Software and Affected Versions Taipower APP affected versions not specified Description The Taipower APP developed by Taipower exhibits an Improper Certificate Validation issue. The application does not properly validate server-side TLS/SSL certificates when establishing an...

CVE-2026-3822: Improper Certificate Validation

Taipower APP for Andorid developed by Taipower has an Improper Certificate Validation vulnerability. When establishing an HTTPS connection with the server, the application fails to verify the server-side TLS/SSL certificate. This flaw allows an unauthenticated remote attackers to exploit the...

Improper Validation of Certificate with Host Mismatch

Overview org.apache.zookeeper:zookeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. Affected versions of this package are vulnerable to Improper Validation of Certificate with Host Mismatch in the...

SUSE SLES16 Security Update : go1.24-openssl (SUSE-SU-2026:20629-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:20629-1 advisory. - Update to version 1.24.13 jscSLE-18320 - CVE-2025-58189: crypto/tls: ALPN negotiation error contains attacker controlled...

Improper Certificate Validation

Overview std/crypto/x509 is a Go standard library package std/crypto/x509 Affected versions of this package are vulnerable to Improper Certificate Validation. Go Vulnerability Report:When verifying a certificate chain which contains a certificate containing multiple email address constraints whic...

CVE-2026-30794

Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android HTTP API client, TLS transport modules allows Adversary in the Middle AiTM. This vulnerability is associated with program files src/hbbshttp/httpclient.Rs and...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : cosign (SUSE-SU-2026:0777-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0777-1 advisory. Update to version 3.0.5 jscSLE-23879. Security issues fixed: - CVE-2025-11065:...

openSUSE 16 Security Update : go1.24-openssl (openSUSE-SU-2026:20308-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20308-1 advisory. - Update to version 1.24.13 jscSLE-18320 - CVE-2025-58189: crypto/tls: ALPN negotiation error contains attacker controlled information. bsc12512...

CVE-2026-27137: Improper Certificate Validation

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered...

EUVD-2026-9828

Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android HTTP API client, TLS transport modules allows Adversary in the Middle AiTM. This vulnerability is associated with program files src/hbbshttp/httpclient.Rs and...

CVE-2026-30794

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-30794 RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure

Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android HTTP API client, TLS transport modules allows Adversary in the Middle AiTM. This vulnerability is associated with program files src/hbbshttp/httpclient.Rs and...

CVE-2026-30794

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

PT-2026-23459

Name of the Vulnerable Software and Affected Versions RustDesk Client versions through 1.4.5 Description An improper certificate validation issue exists in the RustDesk Client, potentially allowing an Adversary in the Middle AiTM attack. The issue is related to the handling of TLS retries and the...

CVE-2025-40896 Lack of TLS certificate validation when connecting Arc to a Guardian or CMC, in Arc before v2.2.0

The server certificate was not verified when an Arc agent connected to a Guardian or CMC. A malicious actor could perform a man-in-the-middle attack and intercept the communication between the Arc agent and the Guardian or CMC. This could result in theft of the client token and sensitive...

CVE-2025-40896

The CVE-2025-40896 entry documents a failure to verify the server certificate when an Arc agent connects to Guardian or CMC, enabling a network-based MITM. This could allow interception of communications, theft of the client token, and exposure of sensitive information (assets, alerts), or impers...

EUVD-2026-9385

SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing...

CVE-2026-2748 S/MIME Certificate Subject Whitespace

SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing...

CVE-2026-2748

CVE-2026-2748 affects SEPPmail Secure Email Gateway prior to version 15.0.1. The issue is improper validation of S/MIME certificates issued for email addresses containing whitespace, which enables signature spoofing. Impact is limited to confidentiality/integrity as described, with no availabilit...

SUSE CVE-2026-3336

Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers of AWS services do not need to take action. Applications using AWS-LC should...