CVE-2026-67294

FreeRDP before 3.29.0 improperly validates the Extended Key Usage EKU purpose of the peer certificate during client-side server TLS authentication. In x509utilsverify, when server-purpose X509PURPOSESSLSERVER verification fails, the code falls back to client-purpose and any-purpose verification, ...

EUVD-2026-51842

FreeRDP before 3.29.0 improperly validates the Extended Key Usage EKU purpose of the peer certificate during client-side server TLS authentication. In x509utilsverify, when server-purpose X509PURPOSESSLSERVER verification fails, the code falls back to client-purpose and any-purpose verification, ...

CVE-2026-67294

FreeRDP before 3.29.0 improperly validates the Extended Key Usage EKU purpose of the peer certificate during client-side server TLS authentication. In x509utilsverify, when server-purpose X509PURPOSESSLSERVER verification fails, the code falls back to client-purpose and any-purpose verification, ...

CVE-2026-67294 FreeRDP before 3.29.0 TLS Certificate EKU Bypass

FreeRDP before 3.29.0 improperly validates the Extended Key Usage EKU purpose of the peer certificate during client-side server TLS authentication. In x509utilsverify, when server-purpose X509PURPOSESSLSERVER verification fails, the code falls back to client-purpose and any-purpose verification, ...

CVE-2026-56822 Netty: TOCTOU in OcspServerCertificateValidator

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator forwards the SslHandshakeCompletionEvent before the asynchronous OCSP validation completes. This allows the client's downstream handlers to se...

CVE-2026-56822

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator forwards the SslHandshakeCompletionEvent before the asynchronous OCSP validation completes. This allows the client's downstream handlers to se...

CVE-2026-12503 Loytec LINX firmware: Improper Link Resolution in /usr/bin/larm_starter

Improper Link Resolution CWE-59 in /usr/bin/larmstarter in Loytec L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows an authenticated larmapp attacker to make /etc/passwd writable by the larmapp group leading to root privilege escalation via a symlink attack on...

Improper Check for Certificate Revocation

Overview io.netty:netty-handler-ssl-ocsp is a Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. Affected versions of this package are vulnerable to Improper Check for Certificate Revocation in t...

PT-2026-63544

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.136.Final Netty versions prior to 4.2.16.Final Description An issue exists in the OcspServerCertificateValidator where out-of-date OCSP Online Certificate Status Protocol responses are flagged but not stopped from...

CVE-2026-59849

CVE-2026-59849 affects libssh. Connected advisories show a denial-of-service caused by a logic/loop in automatic certificate-based public key authentication that can loop when certificates are missing or repeatedly rejected. Victim scenario: libssh clients may experience indefinite looping, leadi...

EUVD-2026-46103

Improper certificate validation in Apache MINA SSHD server-side. Apache MINA SSHD is a Java library for client-side and server-side SSH. Server-side OpenSSH user certificate validation during user authentication in an Apache MINA SSHD server did not check for the unsupported force-command or...

CVE-2026-56624

Improper certificate validation in Apache MINA SSHD server-side. Apache MINA SSHD is a Java library for client-side and server-side SSH. Server-side OpenSSH user certificate validation during user authentication in an Apache MINA SSHD server did not check for the unsupported force-command or...

CVE-2026-22093

CVE-2026-22093 affects EVbee Service app (v1.4.101.00). The issue arises because the Android app performs TLS/HTTPS communication but does not validate the server certificate, enabling a man‑in‑the‑middle attacker on the network path to intercept and manipulate traffic. Additionally, the app is d...

CVE-2026-54291 Silent channel-binding authentication downgrade via unsupported certificate algorithms

pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to...

EUVD-2026-40054

Eclipse tinydtls before commit b3efd41ad111a4920f599f51ffa4f5e9f1e72221 contains an out-of-bounds read vulnerability in the checkservercertificate function that allows unauthenticated attackers to trigger reads beyond valid buffer boundaries by crafting a Certificate handshake message with a...

UBUNTU-CVE-2026-55962

TLS 1.3 post-handshake authentication PHA issue where a server could accept a client's Finished message without the client having sent a Certificate and CertificateVerify. The post-handshake-auth exemption that allows an empty/absent peer certificate was only intended for the initial handshake, b...

DEBIAN-CVE-2026-55960

Un-negotiated Raw Public Key RFC 7250 accepted in place of an X.509 certificate, bypassing chain validation. A raw public key has no chain, so ParseCertRelative accepts it without performing any trust verification; it must therefore only be accepted when RPK was actually negotiated for that peer...

PT-2026-52572

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An issue exists where an un-negotiated Raw Public Key RPK, as defined in RFC 7250, is accepted instead of an X.509 certificate, allowing the bypass of chain...

CVE-2026-9259

Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier...

CVE-2026-45388

CVE-2026-45388 affects OCaml-TLS before 2.1.0. The TLS 1.3 client path in handshake_client13.ml did not wire into validate_keyusage, allowing a certificate issued for non-server purposes (e.g., clientAuth, codeSigning, emailProtection) to impersonate a TLS server if the EKU/KeyUsage restrictions ...