Important: Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.19.2

cert-manager Operator for Red Hat OpenShift 1.19.2 The cert-manager Operator for Red Hat OpenShift builds on top of Kubernetes, introducing certificate authorities and certificates as first-class resource types in the Kubernetes API. This makes it possible to provide certificates-as-a-service to...

Astra Linux – Vulnerability in ca-certificates

Certifi is a curated collection of Root Certificates designed to validate the reliability of SSL certificates and verify the identity of TLS hosts. On December 7, 2022, Certifi removed Root Certificates from “TrustCor” from the root store. These certificates are currently being removed from...

Astra Linux – Vulnerability in qt4-x11, qtbase-opensource-src

A issue was discovered in Qt before version 5.15.15, in versions 6.x before 6.2.9, and in versions 6.3.x through 6.5.x before 6.5.2. Certificate validation for TLS does not always consider whether the root of a chain is a configured CA certificate...

Astra Linux – Vulnerability in python-urllib3

The urllib3 library before version 1.24.2 in Python mishandles certain cases where the desired set of CA certificates differs from the CA certificates stored in the operating system’s store. As a result, SSL connections succeed in situations where a verification failure would be the correct...

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/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 ...

undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy

A flaw was found in undici. When undici's ProxyAgent is configured with a SOCKS5 proxy Uniform Resource Identifier URI, it silently ignores Transport Layer Security TLS options, such as custom Certificate Authorities CAs. This allows a remote attacker to perform a Man-in-the-Middle MITM attack,...

JLSEC-2026-738 Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA

Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA. Intermediate CA certificates are required to have the keyCertSign key usage when a Key Usage extension is present, but chain-supplied temporary CAs WOLFSSLTEMPCA added while building a certificate path were previously exempt...

undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy

A flaw was found in undici. When undici's ProxyAgent is configured with a SOCKS5 proxy Uniform Resource Identifier URI, it silently ignores Transport Layer Security TLS options, such as custom Certificate Authorities CAs. This allows a remote attacker to perform a Man-in-the-Middle MITM attack,...

Linux Distros Unpatched Vulnerability : CVE-2026-55964

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA. Intermediate CA certificates are required to have the keyCertSign key usage when a Key...

PT-2026-53022

Name of the Vulnerable Software and Affected Versions Nebula Mesh affected versions not specified Description The web UI /ui/ fails to apply per-operator Certificate Authority CA scoping. This allows any authenticated non-admin operator to access, block, or delete resources belonging to other...

PT-2026-50517

Name of the Vulnerable Software and Affected Versions undici versions 7.23.0 through 7.27.x undici versions 8.0.0 through 8.4.x Description The ProxyAgent in undici silently drops the requestTls option when configured with a SOCKS5 proxy URI socks5:// or socks://. This causes the target HTTPS...

USN-8436-1 ca-certificates update

The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 2.86 version of the Mozilla certificate authority bundle...

Cross-site Request Forgery (CSRF)

github.com/juev/nebula-mesh is vulnerable to Cross-site Request Forgery CSRF. The vulnerability is due to missing CSRF protection on /ui/ state-changing endpoints, where requests are processed based solely on a valid session cookie, allowing attackers to perform unauthorized administrative action...

CLEANSTART-2026-OK35650 During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succ...

Multiple security vulnerabilities affect the rancher-agent package. During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succeed when it should have failed...

Cross-site Request Forgery (CSRF)

Overview Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF through the lack of CSRF protection on /ui/ mutating endpoints. An attacker can perform unauthorized actions on behalf of an authenticated user by tricking them into submitting crafted requests, such as...

CVE-2026-42790

A flaw was found in Erlang OTP publickey. This improper certificate validation vulnerability allows a subordinate Certificate Authority CA with restricted DNS nameConstraints to bypass these restrictions. By issuing a leaf certificate that lacks a Subject Alternative Name SAN but contains a craft...

OpenSSH: OpenSSH: Security bypass via mishandling of authorized_keys principals option

A flaw was found in OpenSSH. This vulnerability arises from the incorrect handling of the authorizedkeys principals option in uncommon scenarios. Specifically, when a principals list is used with a Certificate Authority that includes comma characters, OpenSSH may misinterpret the input. This coul...

Insertion of Sensitive Information into Log File

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information into Log File via the logging of the entire unmarshaled configuration map at INFO level to /var/log/calico/cni/cni.log during each CNI ADD and DEL invocation. An attacker can obtain sensitive...

Tigera Calico 安全漏洞

Tigera Calico is an open-source network security solution developed by the American company Tigera, designed for container, virtual machine, and host workloads. Tigera Calico has a security vulnerability, which stems from the Azure IPAM plugin recording unencrypted configuration mappings in logs...