{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-25705", "assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "state": "PUBLISHED", "assignerShortName": "suse", "dateReserved": "2026-02-05T15:37:24.184Z", "datePublished": "2026-05-13T08:00:46.097Z", "dateUpdated": "2026-05-13T08:01:27.283Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "shortName": "suse", "dateUpdated": "2026-05-13T08:01:27.283Z"}, "title": "Rancher Extensions have arbitrary file access via path traversal", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-35", "description": "CWE-35 Path traversal: '.../...//'", "type": "CWE"}]}], "affected": [{"vendor": "SUSE", "product": "rancher", "packageName": "github.com/rancher/rancher", "versions": [{"status": "affected", "version": "2.14.0", "lessThan": "2.14.1", "versionType": "semver"}, {"status": "affected", "version": "2.13.0", "lessThan": "2.13.5", "versionType": "semver"}, {"status": "affected", "version": "2.12.0", "lessThan": "2.12.9", "versionType": "semver"}, {"status": "affected", "version": "2.10.11", "lessThan": "2.11.13", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in [Rancher's Extensions](https://ranchermanager.docs.rancher.com/integrations-in-rancher/rancher-extensions) where malicious code can be injected in Rancher through a path traversal in the `compressedEndpoint` field inside a `UIPlugin` deployment. A malicious UI extension could abuse that to: * Overwrite Rancher binaries or configuration to inject code.\n\n * Write to /var/lib/rancher/ to tamper with cluster state.\n\n * If hostPath volumes are mounted, write to the host node filesystem.\n\n * Use this issue to chain with other attack vectors.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A vulnerability has been identified in [Rancher's Extensions](https://ranchermanager.docs.rancher.com/integrations-in-rancher/rancher-extensions) where malicious code can be injected in Rancher through a path traversal in the `compressedEndpoint` field inside a `UIPlugin` deployment. A malicious UI extension could abuse that to:<div><ul><li>Overwrite Rancher binaries or configuration to inject code.</li>\n<li>Write to <code>/var/lib/rancher/</code> to tamper with cluster state.</li>\n<li>If <code>hostPath</code> volumes are mounted, write to the host node filesystem.</li>\n<li>Use this issue to chain with other attack vectors.</li></ul></div>"}]}], "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-25705"}, {"url": "https://github.com/rancher/rancher/security/advisories/GHSA-5v3h-x4wf-5c35"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "https://github.com/KoreaSecurity", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

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