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"fix_state": "Affected", "package_name": "openshift4/nmstate-console-plugin-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-monitoring-plugin-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-monitoring-plugin-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-networking-console-plugin-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Affected", "package_name": "odf4/ocs-client-console-rhel9", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Affected", "package_name": "odf4/odf-console-rhel9", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Affected", "package_name": "odf4/odf-multicluster-console-rhel9", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/argocd-rhel8", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/argocd-rhel9", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/console-plugin-rhel8", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Affected", "package_name": "container-native-virtualization/kubevirt-console-plugin-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Affected", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Affected", "package_name": "quay/quay-rhel9", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "nodejs-connected-react-router", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "nodejs-sass", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite/iop-host-inventory-frontend-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite/iop-vulnerability-frontend-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Affected", "package_name": "ansible-automation-platform/automation-portal", "product_name": "Self-service automation portal 2"}], "public_date": "2026-03-06T18:25:22Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-29063\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-29063\nhttps://github.com/immutable-js/immutable-js/releases/tag/v3.8.3\nhttps://github.com/immutable-js/immutable-js/releases/tag/v4.3.8\nhttps://github.com/immutable-js/immutable-js/releases/tag/v5.1.5\nhttps://github.com/immutable-js/immutable-js/security/advisories/GHSA-wf6x-7x77-mvgw"], "statement": "Exploitation of this vulnerability requires that an attacker is able to provide arbitrary data to clients of this library in a way that calls the affected functions with data the attacker controls. In most deployments, the ability to provide data in this fashion requires that an attacker has some degree of privileges to access the affected applications.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.8.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.3.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.1.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "immutable-js", "source": "cna", "vendor": "immutable-js"}, "product": "immutable-js", "vendor": "immutable-js"}], "analysis": {"en": {"generated_at": "2026-04-16T11:15:47.814932+00:00", "value": {"mitigation_remediation": ["Upgrade Immutable.js to at least version 3.8.3, 4.3.7, or 5.1.5 depending on your current major release so that the prototype pollution fix is in place.", "Immediately remove or refactor any use of mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), or Map.toObject() that processes untrusted data; replace them with safer alternatives that do not alter Object.prototype.", "Implement input validation on any data that originates from external sources to ensure it cannot construct prototype properties before being passed to Immutable.js functions."], "summary": {"action": "Patch immediately", "impact": "Prototype pollution that permits unauthorized modification of Object.prototype"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Immutable.js library for JavaScript. Any installation using a version older than 3.8.3, 4.3.7, or 5.1.5 is susceptible. The issue was fixed in the corresponding release versions and all later updates.", "description_and_impact": "Immutable.js, a library for persistent immutable data structures, exposes a prototype pollution flaw in several APIs. Prior to releases 3.8.3, 4.3.7, and 5.1.5, functions such as mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() can alter properties on Object.prototype when fed crafted input. This uncontrolled change corresponds to CWE\u20111321 and could allow an attacker to inject malicious properties into every object created thereafter, undermining application integrity and potentially enabling denial\u2011of\u2011service.", "risk_and_exploitability": "The CVSS score is 8.7, placing this bug in the high severity range, while the EPSS score of less than 1\u202f% indicates a low likelihood of exploitation. It is not listed in the KEV catalog. Based on the description, the attack vector is likely any scenario where an attacker supplies crafted data to the vulnerable APIs, allowing them to modify the global prototype chain and potentially compromise application functionality."}}}}, "created": "2026-03-09T10:07:09.696267+00:00", "updated": "2026-04-16T11:30:15.892162+00:00", "vendors": ["immutable-js", "immutable-js$PRODUCT$immutable-js"]}