{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21902", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-01-05T17:32:48.709Z", "datePublished": "2026-02-25T16:59:10.672Z", "dateUpdated": "2026-02-26T14:44:05.553Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["PTX Series"], "product": "Junos OS Evolved", "vendor": "Juniper Networks", "versions": [{"lessThan": "25.4R1-S1-EVO, 25.4R2-EVO", "status": "affected", "version": "25.4", "versionType": "semver"}, {"lessThan": "25.4R1-EVO", "status": "unaffected", "version": "0", "versionType": "semver"}]}], "datePublic": "2026-02-25T05:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Incorrect Permission Assignment for Critical Resource vulnerability in the On-Box Anomaly detection framework of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to execute code as root.<br><br>The On-Box Anomaly detection framework should only be reachable by other internal processes over the internal routing instance, but not over an externally exposed port. 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