CVE-2026-73266 Clusterclaims-controller: confused deputy: tenant-controlled clusterclaim labels propagated to managedcluster, enabling cross-tenant managedclusterset join

A flaw was found in the clusterclaims-controller component of Multicluster Engine MCE. An authenticated tenant can exploit this vulnerability by manipulating ClusterClaim labels. This allows the tenant to force a cluster to join a ManagedClusterSet belonging to another tenant. Such unauthorized...

EUVD-2026-58132

A flaw was found in the clusterclaims-controller component of Multicluster Engine MCE. An authenticated tenant can exploit this vulnerability by manipulating ClusterClaim labels. This allows the tenant to force a cluster to join a ManagedClusterSet belonging to another tenant. Such unauthorized...

CVE-2026-73266 Clusterclaims-controller: confused deputy: tenant-controlled clusterclaim labels propagated to managedcluster, enabling cross-tenant managedclusterset join

A flaw was found in the clusterclaims-controller component of Multicluster Engine MCE. An authenticated tenant can exploit this vulnerability by manipulating ClusterClaim labels. This allows the tenant to force a cluster to join a ManagedClusterSet belonging to another tenant. Such unauthorized...

CVE-2026-73266

CVE-2026-73266 affects the clusterclaims-controller component of Multicluster Engine (MCE). An authenticated tenant can manipulate ClusterClaim labels to force a cluster to join a ManagedClusterSet owned by another tenant, enabling cross-tenant access and the potential injection of policies and w...

CVE-2026-73266

A flaw was found in the clusterclaims-controller component of Multicluster Engine MCE. An authenticated tenant can exploit this vulnerability by manipulating ClusterClaim labels. This allows the tenant to force a cluster to join a ManagedClusterSet belonging to another tenant. Such unauthorized...

EUVD-2026-58110

Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in Sfindbyclass. The prescan walks the subject for positions where the full pattern could match, and the engine tries it from the leftmost one...

CVE-2026-19487 Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in S_find_byclass

Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in Sfindbyclass. The prescan walks the subject for positions where the full pattern could match, and the engine tries it from the leftmost one...

CVE-2026-19487

Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in Sfindbyclass. The prescan walks the subject for positions where the full pattern could match, and the engine tries it from the leftmost one...

CVE-2026-73559 vLLM: Completion prompt lists fan out into unbounded engine requests

vLLM is an inference and serving engine for large language models. From 0.19.0 until 0.26.0, the /v1/completions CompletionRequest.prompt field in vllm/entrypoints/openai/completion/protocol.py accepts an unbounded liststr or listlistint, prompttoseq in vllm/renderers/inputs/preprocess.py and...

PT-2026-71706

Name of the Vulnerable Software and Affected Versions Multicluster Engine affected versions not specified Description A flaw in the clusterclaims-controller component allows an authenticated tenant to manipulate ClusterClaim labels. This manipulation enables a tenant to force a cluster to join a...

PT-2026-71961

Name of the Vulnerable Software and Affected Versions Astro Booking Engine versions prior to 1.4.1 Description The Astro Booking Engine plugin for WordPress contains a Cross-Site Request Forgery CSRF flaw. This occurs because the options deletion functionality lacks nonce validation—a security...

CVE-2026-73266: Unintended Proxy or Intermediary

A flaw was found in the clusterclaims-controller component of Multicluster Engine MCE. An authenticated tenant can exploit this vulnerability by manipulating ClusterClaim labels. This allows the tenant to force a cluster to join a ManagedClusterSet belonging to another tenant. Such unauthorized...

CVE-2026-73558: Integer Overflow or Wraparound

vLLM is an inference and serving engine for large language models. Prior to 0.27.0, an integer overflow in blockIdx.x 2 d in activationkernels.cu can cause actandmulkernel to consume another batched user's input, allowing a request processed in the same inference batch to receive a partial or...

The vulnerability of the Microsoft Malware Protection Engine of the Windows Defender security software allows a malicious actor to expose protected information and gain full control over the device.

The vulnerability of the Microsoft Malware Protection Engine in Microsoft’s Windows operating systems is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow attackers to expose protected information and gain full control over the device...

PostgreSQL -- Multiple vulnerabilities

The PostgreSQL project reports: CVE-2026-6464: psql COPY FROM STDIN, if the copy fails before data rows begin, processes the following data lines as psql commands. CVE-2026-6469: ALTER TABLE ALTER TYPE incorrectly reassigns ownership of dependent extended statistics objects to the current user...

CVE-2026-19130

A flaw was found in the provider-credential-controller component of multicluster-engine MCE. An attacker with specific permissions on the hub cluster, and knowledge of a prior credential value, could exploit an authorization bypass vulnerability. By manipulating copiedFrom labels, the attacker...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: nodejs24: nodejs24-24.18.1-0.2.2.hum1 aarch64, x8664 nodejs24-bin-24.18.1-0.2.2.hum1 noarch nodejs24-devel-24.18.1-0.2.2.hum1 aarch64, x8664 nodejs24-docs-24.18.1-0.2.2.hum1 noarch...

CVE-2026-19130 Provider-credential-controller: provider-credential-controller: cross-namespace credential propagation via attacker-controlled copiedfrom labels bypasses authorization

A flaw was found in the provider-credential-controller component of multicluster-engine MCE. An attacker with specific permissions on the hub cluster, and knowledge of a prior credential value, could exploit an authorization bypass vulnerability. By manipulating copiedFrom labels, the attacker...

CVE-2026-19130

A flaw was found in the provider-credential-controller component of multicluster-engine MCE. An attacker with specific permissions on the hub cluster, and knowledge of a prior credential value, could exploit an authorization bypass vulnerability. By manipulating copiedFrom labels, the attacker...

EUVD-2026-57616

A flaw was found in the provider-credential-controller component of multicluster-engine MCE. An attacker with specific permissions on the hub cluster, and knowledge of a prior credential value, could exploit an authorization bypass vulnerability. By manipulating copiedFrom labels, the attacker...