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CVE-2026-19278— Stackrox: stackrox: privilege escalation via unanchored regular expressions in auth m2m role mappings

CVSS 6.8 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 1AI

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Affected Version Matrix 1

VendorProductVersion RangeStatus
Red HatRed Hat Advanced Cluster Security 4anyaffected
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I. Basic Information for CVE-2026-19278

Vulnerability Information
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Vulnerability Title
Stackrox: stackrox: privilege escalation via unanchored regular expressions in auth m2m role mappings
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in StackRox/RHACS Central's Auth Machine-to-Machine (M2M) token exchange. When an administrator configures M2M role mappings, the system uses unanchored regular expressions for matching claim values. This allows an attacker with a valid OpenID Connect (OIDC) token, whose claim value is a superstring of a configured pattern, to gain unauthorized access to roles they were not intended to receive. This can lead to privilege escalation within the system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
宽松定义的正则表达式
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Advanced Cluster Security 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Advanced Cluster Security是美国Red Hat公司的一款集群安全防护软件。 Red Hat Advanced Cluster Security 4版本存在输入验证错误漏洞，该漏洞源于使用未锚定的正则表达式匹配M2M角色映射中的声明值，可能导致拥有有效OIDC令牌且声明值为配置模式超字符串的攻击者获得未授权访问角色，从而导致权限提升。
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

VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4

II. Public POCs for CVE-2026-19278

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III. Intelligence Information for CVE-2026-19278

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Vendor Advisories for CVE-2026-19278 (2)

Same Patch Batch · Red Hat · 2026-08-10 · 33 CVEs total

CVE-2026-189489.9 CRITICALFeast: feast: unsafe dill deserialization of registry-stored udfs — rce on feature server
CVE-2026-144509.9 CRITICALMaas-billing: maas api: privilege escalation via forged http headers due to missing authen
CVE-2026-189508.8 HIGHOdh-dashboard: odh-dashboard: confused-deputy privilege escalation via unchecked roleref i
CVE-2026-189498.8 HIGHOdh-dashboard: odh-dashboard: clusterrole grants cluster-wide crud on secrets and rbac man
CVE-2026-189518.8 HIGHOdh-training-operator-rhel9: [trainer v2 security] trn-02: rhoai overlay aggregates trainj
CVE-2026-186178.8 HIGHData-science-pipelines-operator: dspo: mysql dsn parameter injection via customextraparams
CVE-2026-137178.8 HIGHRhoai maas: llm-d: maas/llm-d inference gateway: default allowedroutes.namespaces.from: al
CVE-2026-189828.8 HIGHOdh-training-operator-rhel9: rhoai fork aggregates training job create onto native edit/ad
CVE-2026-186088.7 HIGHData-science-pipelines-operator: dspo: operator clusterrole grants pods/exec:*, kubeflow.o
CVE-2026-189478.5 HIGHFeast: feast: authorization bypass in /materialize endpoints enables dos via unauthorized
CVE-2026-715768.5 HIGHMulticluster-global-hub: multicluster-global-hub: manager trusts self-asserted evt.source(
CVE-2026-590908.4 HIGHGimp: gimp: arbitrary code execution in psd plugin due to unsigned underflow
CVE-2026-154678.1 HIGHTrustyai-service-operator: trustyai-service-operator: lmevaljob sidecar containers bypass
CVE-2026-155818.0 HIGHTrustyai-service-operator: trustyai-service-operator: tas internal service bypasses kube-r
CVE-2026-636227.8 HIGHLibvirt: swtpm privilege escalation via symlink following
CVE-2026-590877.8 HIGHGimp: heap buffer overflow in `file-seattle-filmworks` load — `fread` writes attacker-cont
CVE-2026-189417.7 HIGHFeast: feast-operator: feast: default authentication mode is no_auth — shared multi-tenant
CVE-2026-186217.6 HIGHData-sciences-pipeline: dsp: v1 argo template path accepts arbitrary workflow spec, bypass
CVE-2026-193877.6 HIGHGstreamer: gstreamer1-plugins-bad-free: gstreamer: heap out-of-bounds write in adpcmdec im
CVE-2026-186117.5 HIGHData-science-pipelines-operator: dspo: cryptographically weak secret generation (math/rand

Showing top 20 of 33 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Red Hat Advanced Cluster Security 4
Same vendor: Red Hat
Same weakness: CWE-625

V. Comments for CVE-2026-19278

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