CVE-2026-42789

The CVE-2026-42789 entry documents a vulnerability in Erlang OTP public_key (pubkey_cert module): a certificate with basicConstraints cA:false and no keyUsage can be misused as an intermediate issuer during pkix_path_validation, enabling chain forgery. Two flaws in pubkey_cert:validate_extensions...

CVE-2026-42789 Non-CA certificate accepted as intermediate issuer in public_key path validation

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

EUVD-2026-32272

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

CVE-2026-42789 Non-CA certificate accepted as intermediate issuer in public_key path validation

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

CVE-2026-3012 Samba: group policy certificate enrollment uses http:// without validation

A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verification. An attacker with the ability t...

PT-2026-43712

Name of the Vulnerable Software and Affected Versions Erlang OTP versions 17.0 through 26.2.5.20 Erlang OTP versions 27.x prior to 27.3.4.12 Erlang OTP versions 28.x prior to 28.5.0.1 Erlang OTP versions 29.x prior to 29.0.1 public key versions 0.22 through 1.15.1.6 public key versions 1.17.x pri...

Linux Distros Unpatched Vulnerability : CVE-2026-3012

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in Samba's certificate auto-enrollment Group Policy handling. When certificate auto- enrollment is enabled, Samba may retrieve a CA certificate...

Erlang/OTP -- public_key accepts non-CA certificate as intermediate issuer

https://github.com/erlang/otp/security/advisories/GHSA-c99q-jmpx-v8qq reports: Erlang/OTP's publickey application contains a path-validation flaw where non-CA certificates lacking keyUsage extensions can be accepted as intermediate issuers. An attacker with an end-entity certificate issued by a...

CVE-2026-48697

FastNetMon Community Edition through 1.2.9 does not verify TLS certificates on outbound HTTPS connections. The executewebrequestsecure function in src/fastlibrary.cpp creates a boost::asio::ssl::context with tlsclient mode and calls setdefaultverifypaths to load CA certificates, but never calls...

Important: Red Hat Security Advisory: Red Hat OpenShift GitOps v1.20.4 security update

Important: Red Hat OpenShift GitOps v1.20.4 security update An update is now available for Red Hat OpenShift GitOps. Bug Fixes and Enhancements: GITOPS-8784 Service-CA annotation removed from argocd-server Service during v1.12.3 - v1.12.4 upgrade path, persists in later versions GITOPS-9549...

Important: Red Hat Security Advisory: Red Hat OpenShift GitOps v1.19.4 security update

Important: Red Hat OpenShift GitOps v1.19.4 security update An update is now available for Red Hat OpenShift GitOps. Bug Fixes and Enhancements: GITOPS-8784 Service-CA annotation removed from argocd-server Service during v1.12.3 - v1.12.4 upgrade path, persists in later versions...

PT-2026-43438

Name of the Vulnerable Software and Affected Versions Samba affected versions not specified Description A flaw exists in the handling of certificate auto-enrollment Group Policy. When this feature is enabled, Samba may retrieve a CA certificate via an unencrypted HTTP connection and install it in...

AZL-87284 CVE-2026-42508 affecting package podman 5.6.1-10

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked...

AZL-87224 CVE-2026-42508 affecting package cri-o 1.30.1-1

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked...

AZL-88188 CVE-2026-42508 affecting package packer for versions less than 1.9.5-15

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked...

AZL-88359 CVE-2026-42508 affecting package telegraf for versions less than 1.31.0-22

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked...

SUSE CVE-2024-0397

A defect was discovered in the Python "ssl" module where there is a memory race condition with the ssl.SSLContext methods "certstorestats" and "getcacerts". The race condition can be triggered if the methods are called at the same time as certificates are loaded into the SSLContext, such as durin...

SUSE CVE-2025-14575

An Uncontrolled Search Path Element vulnerability in the OpenSSL TLS backend of Qt Network qtbase in Qt Qt Framework Unix allows a local attacker to load a rogue CA certificate as a trusted system authority via a crafted certificate file placed in the application's working directory...

ANT-2026-K8YY7WWS · wolfSSL · improper-cert-validation

improper-cert-validation high CVE-2026-5501 GHSA-hg75-4cmp-f367 Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview SECURITY RESEARCH FIRM ANALYSIS Triage and disclosure were performed by Calif. The writeup below is the document the firm sent t...

SUSE CVE-2025-6037

Vault and Vault Enterprise "Vault" TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as +trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/certcertificate. In this configuration, an attacker may be able to...