CVE-2026-55997

{"id": "CVE-2026-55997", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55997", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-05T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "meissner@suse.de", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.0}]}, "affected": [{"source": "meissner@suse.de", "affectedData": [{"vendor": "rancher", "product": "rancher", "versions": [{"status": "affected", "version": "2.14.0", "lessThan": "2.14.4", "versionType": "semver"}, {"status": "affected", "version": "2.13.0", "lessThan": "2.13.8", "versionType": "semver"}], "packageName": "github.com/rancher/rancher", "defaultStatus": "unaffected"}]}], "published": "2026-08-05T08:16:34.330", "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-55997", "source": "meissner@suse.de"}, {"url": "https://github.com/rancher/rancher/security/advisories/GHSA-7r53-jvhg-9jq4", "source": "meissner@suse.de"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "meissner@suse.de", "description": [{"lang": "en", "value": "CWE-312"}]}], "descriptions": [{"lang": "en", "value": "Rancher issues long-lived registration tokens to authenticate nodes and agents joining a downstream cluster. These tokens were stored and exposed in plaintext with no expiration, so a malicious user could obtain one either through the Rancher API, etcd, stored automation, or direct file access on a node, and could use it at any time to register a rogue node into the cluster."}], "lastModified": "2026-09-01T20:54:51.287", "sourceIdentifier": "meissner@suse.de"}