CVE-2026-76751 Missing Integrity Verification in the OnGuard Agent of ClearPass Policy Manager Allows Unauthenticated Remote Code Execution

A missing integrity verification vulnerability exists in the OnGuard agent of ClearPass Policy Manager. Successful exploitation could allow an unauthenticated, remote attacker to execute arbitrary code on the affected endpoint with the elevated privileges of the agent...

CVE-2026-76751

A missing integrity verification vulnerability exists in the OnGuard agent of ClearPass Policy Manager . This flaw could allow an unauthenticated, remote attacker to achieve arbitrary code execution on the affected endpoint. The execution would occur with the elevated privileges assigned to the a...

CVE-2026-105485

Authentication bypass OAuth device authorization flow in Devolutions Server 2026.3.7.0 and earlier allows a remote attacker to take over a user's account via replay of a captured device verification link by an authenticated victim...

Security Bulletin:Improper Certificate Validation in Erlang OTP public_key: DNS NameConstraints Bypass in TLS Hostname Verification

Summary Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

Security Bulletin:Netty SSL Vulnerability: Hostname Verification Failure in Client Builds Prior to 4.1.135.Final and 4.2.15.Final

Summary Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrustManagers and related paths wrap any user-supplied plain X509TrustManager in X509TrustManagerWrapper, which...

GHSA-W5F4-FX9M-M4Q7 MsQuic: Improper Certificate Validation in Microsoft.Native.Quic.MsQuic.OpenSSL

Summary Improper TLS hostname verification allows a man-in-the-middle MITM attack on MsQuic. Details Only MsQuic with the OpenSSL and QuicTLS TLS backends is affected the Schannel backend is not affected. Patches 2.6.1, 2.5.11, and 2.4.20 Impact An on-path attacker could spoof a server identity b...

MsQuic: Improper Certificate Validation in Microsoft.Native.Quic.MsQuic.OpenSSL

Summary Improper TLS hostname verification allows a man-in-the-middle MITM attack on MsQuic. Details Only MsQuic with the OpenSSL and QuicTLS TLS backends is affected the Schannel backend is not affected. Patches 2.6.1, 2.5.11, and 2.4.20 Impact An on-path attacker could spoof a server identity b...

CVE-2026-105794

MsQuic is a cross-platform C implementation of the IETF QUIC protocol exposed to C, C++, C, and Rust. Prior to 2.4.20, 2.5.11, and 2.6.1, MsQuic clients using the OpenSSL or QuicTLS TLS backend do not properly verify that a server certificate matches the intended target server hostname. An on-pat...

EUVD-2026-93422

MsQuic is a cross-platform C implementation of the IETF QUIC protocol exposed to C, C++, C, and Rust. Prior to 2.4.20, 2.5.11, and 2.6.1, MsQuic clients using the OpenSSL or QuicTLS TLS backend do not properly verify that a server certificate matches the intended target server hostname. An on-pat...

netty-handler: Netty: Improper trust manager handling leads to hostname verification bypass

A flaw was found in Netty, a network application framework. This vulnerability allows a remote attacker to bypass hostname verification due to improper handling of user-supplied trust managers. When a client is configured with a plain X.509 Trust Manager X509TrustManager, it fails to perform...

bouncycastle: BC-JAVA: PKIX draft CompositeVerifier accepts empty signature sequence as valid

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix. The PKIX draft CompositeVerifier implementation improperly accepts an empty signature sequence as a valid cryptographic signature. This issue allows a remote attacker to bypass signature verification mechanisms, potentially...

netty-handler: Netty: Improper trust manager handling leads to hostname verification bypass

A flaw was found in Netty, a network application framework. This vulnerability allows a remote attacker to bypass hostname verification due to improper handling of user-supplied trust managers. When a client is configured with a plain X.509 Trust Manager X509TrustManager, it fails to perform...

bouncycastle: BC-JAVA: PKIX draft CompositeVerifier accepts empty signature sequence as valid

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix. The PKIX draft CompositeVerifier implementation improperly accepts an empty signature sequence as a valid cryptographic signature. This issue allows a remote attacker to bypass signature verification mechanisms, potentially...

netty-handler: Netty: Improper trust manager handling leads to hostname verification bypass

A flaw was found in Netty, a network application framework. This vulnerability allows a remote attacker to bypass hostname verification due to improper handling of user-supplied trust managers. When a client is configured with a plain X.509 Trust Manager X509TrustManager, it fails to perform...

bouncycastle: BC-JAVA: PKIX draft CompositeVerifier accepts empty signature sequence as valid

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix. The PKIX draft CompositeVerifier implementation improperly accepts an empty signature sequence as a valid cryptographic signature. This issue allows a remote attacker to bypass signature verification mechanisms, potentially...

EUVD-2026-92989

Insufficient verification of data authenticity CWE-345 in the external OIDC login callback in Cloud Foundry UAA v4.5.0 to v79.6.0 inclusive allows an authenticated UAA user to bypass the OAuth authorization-code exchange and establish an authenticated external-OIDC browser session, via submitting...

K000163564: Curl vulnerabilities CVE-2025-13034 and CVE-2025-10966

Security Advisory Description CVE-2025-13034 When using CURLOPTPINNEDPUBLICKEY option with libcurl or --pinnedpubkey with the curl tool, curl should check the public key of the server certificate to verify the peer. This check was skipped in a certain condition that would then make curl allow the...

CVE-2026-105221

A flaw was found in gist. The utility completely disables Transport Layer Security TLS certificate verification when establishing HTTPS connections. An on-path attacker can exploit this flaw by presenting an arbitrary certificate to intercept, read, and manipulate network traffic. This can lead t...

CLEANSTART-2026-NA69133 Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints

Security vulnerability affects the temporal-server package. Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints...

CLEANSTART-2026-PF50810 When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint

Security vulnerability affects the temporal-server package. When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint...