{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50240", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-06-04T12:49:30.333Z", "datePublished": "2026-11-06T21:53:53.997Z", "dateUpdated": "2026-11-06T21:53:53.997Z"}, "containers": {"cna": {"title": "Pipelines-as-code: openshift-pipelines-operator-rh: pipelines-as-code: repository users can trigger namespace edit-equivalent execution via auto-provisioned pipeline serviceaccount", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in OpenShift Pipelines-as-Code (PAC). PAC does not verify whether the creator of a Repository custom resource has permission to create PipelineRuns. A namespace user with only Repository and Secret create/delete permissions can cause PAC to execute attacker-controlled PipelineRuns as the auto-provisioned pipeline ServiceAccount, which carries ClusterRole/edit by default. This results in namespace-scoped privilege escalation, enabling Secret read, resource creation/modification/deletion, and potential supply chain injection in CI/CD namespaces."}], "affected": [{"vendor": "Red Hat", "product": "Builds for Red Hat OpenShift", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-builds/openshift-builds-rhel9-operator", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_builds:1"]}, {"vendor": "Red Hat", "product": "OpenShift Pipelines", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-pipelines-client", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_pipelines:1"]}, {"vendor": "Red Hat", "product": "OpenShift Pipelines", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-pipelines/pipelines-cli-tkn-rhel8", "defaultStatus": "affected", "cpes": 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"product": "OpenShift Pipelines", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_pipelines:1"]}, {"vendor": "Red Hat", "product": "OpenShift Pipelines", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_pipelines:1"]}, {"vendor": "Red Hat", "product": "OpenShift Pipelines", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_pipelines:1"]}, {"vendor": "Red Hat", "product": "OpenShift Pipelines", "collectionURL": 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"packageName": "web-terminal/web-terminal-tooling-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:webterminal:1"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-50240", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484752", "name": "RHBZ#2484752", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-08-27T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "description": "Missing Authorization", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-862: Missing Authorization", "workarounds": [{"lang": "en", "value": "Set legacyPipelineRbac to false in the TektonConfig custom resource. This prevents the OpenShift Pipelines operator from auto-provisioning the openshift-pipelines-edit RoleBinding that grants the pipeline ServiceAccount ClusterRole/edit in every namespace. Warning: this may break existing pipelines that rely on the pipeline ServiceAccount having edit permissions. Simply deleting the openshift-pipelines-edit RoleBinding is NOT sufficient \u2014 the operator reconciliation loop will re-create it unless legacyPipelineRbac is set to false."}], "timeline": [{"lang": "en", "time": "2026-05-12T00:00:00.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-27T00:00:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Christopher Lusk (North Echo Security Research) for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-06T21:53:53.997Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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