CVE-2026-16792

Lenovo XClarity Orchestrator (LXCO) 2.2.0 microservices contain an improper TLS certificate validation issue that could allow an adjacent attacker to perform a man‑in‑the‑middle attack during HTTPS certificate validation, potentially intercepting sensitive communications. Affected software is Len...

EUVD-2026-52885

An improper certificate validation vulnerability was reported in multiple Lenovo XClarity Orchestrator LXCO 2.2.0 microservices that could allow an adjacent network attacker to intercept sensitive communications by performing a machine-in-the-middle attack against HTTPS connections during TLS...

osbuild-composer security update

An update is available for osbuild-composer. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list A service for building customized OS artifacts, such as VM images a...

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/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation

A flaw was found in Go's crypto/x509 package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service DoS for...

Important: Red Hat Security Advisory: osbuild-composer security, bug fix, and enhancement update

An update for osbuild-composer is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabili...

crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation

A flaw was found in Go's crypto/x509 package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service DoS for...

python-cryptography verifier accepts wildcard DNS names allowing escape from permittedSubtrees

Summary If an intermediate constrained CA permits the DNS name foo.example.com, and the leaf certificate has a wildcard in its DNS SAN of .example.com, python-cryptography's verifier accepts which allows escaping outside of the permitted names. PoC !/usr/bin/env python3 """Standalone PoC: pyca's...

GHSA-M2H6-J472-RP4C python-cryptography verifier accepts wildcard DNS names allowing escape from permittedSubtrees

Summary If an intermediate constrained CA permits the DNS name foo.example.com, and the leaf certificate has a wildcard in its DNS SAN of .example.com, python-cryptography's verifier accepts which allows escaping outside of the permitted names. PoC !/usr/bin/env python3 """Standalone PoC: pyca's...

CVE-2026-69248 python-cryptography verifier accepts wildcard DNS names allowing escape from permittedSubtrees

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 49.0.0, if an intermediate constrained CA permits the DNS name foo.example.com, and the leaf certificate has a wildcard in its DNS SAN of .example.com, python-cryptography's verifier...

CVE-2026-69248 python-cryptography verifier accepts wildcard DNS names allowing escape from permittedSubtrees

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 49.0.0, if an intermediate constrained CA permits the DNS name foo.example.com, and the leaf certificate has a wildcard in its DNS SAN of .example.com, python-cryptography's verifier...

CVE-2026-67598 Emlog Pro 2.6.23 TLS Certificate Validation Disabled in ai.php

Emlog Pro through 2.6.23 contains a disabled TLS certificate validation vulnerability in include/service/ai.php that allows network-adjacent attackers to intercept outbound HTTPS requests to configured LLM providers by presenting arbitrary TLS certificates, as CURLOPTSSLVERIFYPEER and...

CVE-2026-67598 Emlog Pro 2.6.23 TLS Certificate Validation Disabled in ai.php

Emlog Pro through 2.6.23 contains a disabled TLS certificate validation vulnerability in include/service/ai.php that allows network-adjacent attackers to intercept outbound HTTPS requests to configured LLM providers by presenting arbitrary TLS certificates, as CURLOPTSSLVERIFYPEER and...

CVE-2025-9291

A certification validation weakness exists in communication between affected Omada devices and cloud controllers. Certificate identity verification does not adequately validate that a presented certificate corresponds to the expected cloud controller hostname, which may allow certificate validati...

EUVD-2025-210607

A certification validation weakness exists in communication between affected Omada devices and cloud controllers. Certificate identity verification does not adequately validate that a presented certificate corresponds to the expected cloud controller hostname, which may allow certificate validati...

CVE-2025-9291 Improper Certificate Validation in TP-Link Omada Cloud Communications

A certification validation weakness exists in communication between affected Omada devices and cloud controllers. Certificate identity verification does not adequately validate that a presented certificate corresponds to the expected cloud controller hostname, which may allow certificate validati...

CVE-2025-9291 Improper Certificate Validation in TP-Link Omada Cloud Communications

A certification validation weakness exists in communication between affected Omada devices and cloud controllers. Certificate identity verification does not adequately validate that a presented certificate corresponds to the expected cloud controller hostname, which may allow certificate validati...

CVE-2025-9291

The CVE-2025-9291 entry documents a certificate validation weakness in Omada devices communicating with cloud controllers. Specifically, certificate identity verification does not adequately confirm that a presented certificate matches the expected cloud controller hostname, potentially allowing ...

CVE-2026-66402

A flaw was found in FreeRDP. This flaw involves multiple weaknesses in how FreeRDP validates TLS Transport Layer Security certificates. FreeRDP's custom validation logic can incorrectly process DNS Subject Alternative Name SAN values, accept Common Names without proper comparison to other SAN...

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 ...