{"api_version":"1","generated_at":"2026-05-14T08:14:37+00:00","cve":"CVE-2026-25705","urls":{"html":"https://cve.report/CVE-2026-25705","api":"https://cve.report/api/cve/CVE-2026-25705.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-25705","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-25705"},"summary":{"title":"Rancher Extensions have arbitrary file access via path traversal","description":"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. 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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>"}],"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."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-35","description":"CWE-35 Path traversal: '.../...//'","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-13T08:01:27.283Z","orgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","shortName":"suse"},"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"}],"source":{"discovery":"EXTERNAL"},"title":"Rancher Extensions have arbitrary file access via path traversal","x_generator":{"engine":"Vulnogram 0.1.0-dev"}}},"cveMetadata":{"assignerOrgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","assignerShortName":"suse","cveId":"CVE-2026-25705","datePublished":"2026-05-13T08:00:46.097Z","dateReserved":"2026-02-05T15:37:24.184Z","dateUpdated":"2026-05-13T10:49:19.176Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-13 08:16:16","lastModifiedDate":"2026-05-13 15:35:35","problem_types":["CWE-35","CWE-35 CWE-35 Path traversal: '.../...//'"],"metrics":{"cvssMetricV31":[{"source":"meissner@suse.de","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","baseScore":8.4,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.7,"impactScore":6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"25705","Ordinal":"1","Title":"Rancher Extensions have arbitrary file access via path traversal","CVE":"CVE-2026-25705","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"25705","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Rancher Extensions have arbitrary file access via path traversal"}]}}}