Critical: Red Hat Security Advisory: multicluster engine for Kubernetes v2.17.1 security update

Red Hat multicluster engine for Kubernetes v2.17 general availability release images, which provide security fixes, bug fixes, and updated container images. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base scor...

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...

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...

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...

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...

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...

CVE-2026-15831 Generation of Incorrect Security Tokens in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.3 and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to bypass administrator-configured tool governance policies due to improper authorization enforcement during tok...

CVE-2026-67427 Flyto2 Core: ${env.VAR} interpolation reads any env secret despite env.get being denylisted

Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, the workflow engine variable resolver expands $env.VAR for any host environment variable without an allowlist or capability policy check, allowing a workflow parameter to bypass the default capability polic...

CVE-2026-55707

An authorization bypass was found in the OpenStack Neutron subnetpool onboarding API endpoint PUT /v2.0/subnetpools/id/onboardnetworksubnets. When a caller supplies a networkid, the API only verifies that the network is visible to the caller but does not verify that the caller owns the subnets on...

CVE-2026-14156

A policy bypass flaw was found in the StorageAccessAPI component of the Chromium browser. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=518247789...

CVE-2026-14155

An insufficient policy enforcement flaw was found in the StorageAccessAPI component of the Chromium browser. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=518246925...

github.com/sigstore/sigstore-go: sigstore-go: Security Policy Bypass via Compromised Log

A flaw was found in sigstore-go, a Go library for Sigstore signing and verification. This vulnerability allows a single compromised transparency log or Certificate Transparency CT log to bypass the multi-log threshold requirements. An attacker could exploit this by compromising a single log,...

github.com/sigstore/sigstore-go: sigstore-go: Security Policy Bypass via Compromised Log

A flaw was found in sigstore-go, a Go library for Sigstore signing and verification. This vulnerability allows a single compromised transparency log or Certificate Transparency CT log to bypass the multi-log threshold requirements. An attacker could exploit this by compromising a single log,...

CVE-2026-18207

A flaw was found in the client policy enforcement mechanism of Keycloak. The issue occurs when the system checks group membership by name instead of a unique identifier. An attacker with client management privileges could bypass security policies by joining a group with a matching name in a...

CVE-2026-58155

Apache Traffic Server truncates over-long header names, allowing header aliasing, request smuggling, and policy bypass. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or...

UBUNTU-CVE-2026-58155

Apache Traffic Server truncates over-long header names, allowing header aliasing, request smuggling, and policy bypass. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or...

CVE-2026-18207 Keycloak-services: keycloak-services: client policy source-group condition bypass via duplicate group name matching

A flaw was found in the client policy enforcement mechanism of Keycloak. The issue occurs when the system checks group membership by name instead of a unique identifier. An attacker with client management privileges could bypass security policies by joining a group with a matching name in a...

EUVD-2026-50214

A flaw was found in the client policy enforcement mechanism of Keycloak. The issue occurs when the system checks group membership by name instead of a unique identifier. An attacker with client management privileges could bypass security policies by joining a group with a matching name in a...

CVE-2026-18207

CVE-2026-18207 : Keycloak-services suffers a group-name based membership check bug in the client policy enforcement, allowing an attacker with client-management privileges to bypass security hardening by joining a differently-nested group with the same name. This can enable registering or updatin...

CVE-2026-58155

Apache Traffic Server is affected by CVE-2026-58155 due to header-name length truncation that can enable header aliasing, request smuggling, and policy bypass. Affected versions are 8.0.0–8.1.9, 9.0.0–9.2.14, and 10.0.0–10.1.3. Upgrading to 9.2.15 or 10.1.4 is recommended to fix the issue. The pr...