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A namespace tenant can plant a ProjectHelmChartRepository with an arbitrary URL that the console pod fetches server-side, bypassing tenant egress restrictions. 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{"acknowledgement": "Red Hat would like to thank Christopher Lusk (North Echo Security Research) for reporting this issue.", "bugzilla": {"description": "openshift/console: Namespace tenant SSRF with egress bypass, catalog poisoning, and admin-mediated supply chain escalation via ProjectHelmChartRepository in OpenShift Console", "id": "2484746", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484746"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-918", "details": ["A Server-Side Request Forgery and supply chain flaw was found in the OpenShift Console Helm catalog proxy. A namespace tenant can plant a ProjectHelmChartRepository with an arbitrary URL that the console pod fetches server-side, bypassing tenant egress restrictions. Combined with catalog metadata poisoning and admin-mediated chart installation, this enables privilege escalation."], "mitigation": {"lang": "en:us", "value": "Review existing ProjectHelmChartRepository resources in tenant namespaces for unexpected URLs using: oc get projecthelmchartrepositories --all-namespaces -o jsonpath='{range .items[*]}{.metadata.namespace}/{.metadata.name}: {.spec.connectionConfig.url}{\"\\n\"}{end}'. Apply NetworkPolicy egress restrictions to the openshift-console namespace (note: requires allow-listing required console egress targets). Administrators should verify chart provenance before installing Helm charts from namespace-scoped repositories. Disable or restrict ProjectHelmChartRepository creation via RBAC if namespace tenants do not require custom Helm repositories."}, "name": "CVE-2026-50237", "package_state": [{"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-console", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-console-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-11T09:47:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-50237\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-50237"], "threat_severity": "Important"}