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

Quick assessment

Affected
Red Hat multicluster engine for Kubernetes 2.10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat provider-credential-controller是美国Red Hat公司的一个管理云平台凭据的控制组件。 Red Hat provider-credential-controller存在授权问题漏洞，该漏洞源于provider-credential-controller组件存在授权绕过漏洞，攻击者可通过操纵copiedFrom标签拦截新轮换的provider凭据，导致未授权信息泄露。

CVSS 5.8 · Medium EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 6

VendorProduct Version RangeStatus
Red Hat multicluster engine for Kubernetes 2.10 1787176886< * unaffected
Red Hat multicluster engine for Kubernetes 2.11 1787239595< * unaffected
Red Hat multicluster engine for Kubernetes 2.17 1786664288< * unaffected
Red Hat multicluster engine for Kubernetes 2.6 1787260821< * unaffected
Red Hat multicluster engine for Kubernetes 2.8 1787259099< * unaffected
Red Hat multicluster engine for Kubernetes 2.9 1787176716< * unaffected
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I. Basic Information for CVE-2026-19130

Vulnerability Information
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Vulnerability Title
Provider-credential-controller: provider-credential-controller: cross-namespace credential propagation via attacker-controlled copiedfrom labels bypasses authorization
Source: CVE Program / CVE List V5
Vulnerability Description
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 could intercept newly rotated provider credentials, leading to unauthorized information disclosure. This allows access to sensitive credentials that should otherwise be protected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat provider-credential-controller 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat provider-credential-controller是美国Red Hat公司的一个管理云平台凭据的控制组件。 Red Hat provider-credential-controller存在授权问题漏洞，该漏洞源于provider-credential-controller组件存在授权绕过漏洞，攻击者可通过操纵copiedFrom标签拦截新轮换的provider凭据，导致未授权信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat multicluster engine for Kubernetes 2.10 1787176886 ~ * cpe:/a:redhat:multicluster_engine:2.10::el9
Red Hat multicluster engine for Kubernetes 2.11 1787239595 ~ * cpe:/a:redhat:multicluster_engine:2.11::el9
Red Hat multicluster engine for Kubernetes 2.17 1786664288 ~ * cpe:/a:redhat:multicluster_engine:2.17::el9
Red Hat multicluster engine for Kubernetes 2.6 1787260821 ~ * cpe:/a:redhat:multicluster_engine:2.6::el9
Red Hat multicluster engine for Kubernetes 2.8 1787259099 ~ * cpe:/a:redhat:multicluster_engine:2.8::el9
Red Hat multicluster engine for Kubernetes 2.9 1787176716 ~ * cpe:/a:redhat:multicluster_engine:2.9::el9

II. Public POCs for CVE-2026-19130

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III. Intelligence Information for CVE-2026-19130

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Vendor Advisories for CVE-2026-19130 (7)

Other References for CVE-2026-19130 (1)

Same Patch Batch · Red Hat · 2026-08-12 · 19 CVEs total

CVE-2026-72526 9.9 CRITICAL Multicloud-integrations: multicloud-integrations: pull-model propagation allows hub tenant
CVE-2026-72508 9.9 CRITICAL Multicloud-operators-subscription: multicloud-operators-subscription: hub and spoke servic
CVE-2026-73268 9.9 CRITICAL Cluster-curator-controller: cluster-curator-controller: spec.install.overridejob allows ar
CVE-2026-73269 9.9 CRITICAL Cluster-curator-controller: cluster-curator-controller: tenant-controllable trigger create
CVE-2026-70398 9.6 CRITICAL Multicloud-integrations: multicloud-integrations: gitopscluster.spec.argoserver.argonamesp
CVE-2026-71471 9.0 CRITICAL Acm-search-v2-rhel9: search-v2-operator: hub search cr collector.imageoverride propagated
CVE-2026-13622 8.8 HIGH Kubevirt: virt-handler-rhel9: kubevirt: virt-handler migration proxy follows symlinks allo
CVE-2026-71473 8.5 HIGH Acm-search-v2-rhel9: search-v2-operator: addonfactory.getvaluesfromaddonannotation enables
CVE-2026-73122 7.7 HIGH Multicloud-operators-channel: multicloud-operators-channel: auto-generated role grants eve
CVE-2026-66878 7.7 HIGH Multicloud-operators-subscription: multicloud-operators-subscription: fetchchannelreferenc
CVE-2026-19654 7.5 HIGH Rsyslog: a configuration-dependent issue in rsyslog's optional imptcp input module can all
CVE-2026-71469 7.5 HIGH Acm-search-v2-api-rhel9: search-v2-api: unbounded tokenreviews cache allows unauthenticate
CVE-2026-18726 6.5 MEDIUM Open-iscsi: open-iscsi: denial of service in iscsiuio router advertisement parsing
CVE-2026-18727 6.5 MEDIUM Open-iscsi: open-iscsi: integer underflow in iscsiuio dhcpv6 parsing
CVE-2026-71846 6.5 MEDIUM Insights-client: insights-client: clusterrole grants cluster-wide secrets get/list/watch b
CVE-2026-64927 6.4 MEDIUM Multicloud-operators-channel: multicloud-operators-channel: cross-namespace secret and con
CVE-2026-18663 5.9 MEDIUM 389-ds-base: 389-ds-base: pre-authentication double-free in get_ldapmessage_controls_ext()
CVE-2026-19548 5.5 MEDIUM Binutils: binutils: multiple use-after-free in add_archive_element via lto plugin processi

IV. Related Vulnerabilities

Same product: multicluster engine for Kubernetes 2.10
Same vendor: Red Hat
Same weakness: CWE-639

V. Comments for CVE-2026-19130

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