{"id":"CVE-2026-6959","revision":"7009e10262df411686cede31ce06f541","records":[{"revision":"7009e10262df411686cede31ce06f541","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-6959","aliases":[],"title":"Nomad vulnerable to arbitrary file read/write on client host through symlink attack","description":"HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-6959) is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11.","state":0,"publishedAt":"2026-05-12T18:59:09.029+00:00","modifiedAt":"2026-05-12T20:16:15.2+00:00","affected":[{"ecosystem":"Vendor product","name":"Nomad","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"64 bit\",\n                        \"32 bit\",\n                        \"x86\",\n                        \"ARM\",\n                        \"MacOS\",\n                        \"Windows\",\n                        \"Linux\"\n                    ],\n                    \"product\": \"Nomad\",\n                    \"repo\": \"https://github.com/hashicorp/nomad\",\n                    \"vendor\": \"HashiCorp\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"2.0.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"0.9.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Nomad Enterprise","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"64 bit\",\n                        \"32 bit\",\n                        \"x86\",\n                        \"ARM\",\n                        \"MacOS\",\n                        \"Windows\",\n                        \"Linux\"\n                    ],\n                    \"product\": \"Nomad Enterprise\",\n                    \"repo\": \"https://github.com/hashicorp/nomad\",\n                    \"vendor\": \"HashiCorp\",\n                    \"versions\": [\n                        {\n                            \"changes\": [\n                                {\n                                    \"at\": \"1.11.5\",\n                                    \"status\": \"unaffected\"\n                                },\n                                {\n                                    \"at\": \"1.10.11\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"lessThan\": \"2.0.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"0.9.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N","score":6,"severity":"MEDIUM"}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-6959","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-6959","identifiers":["CVE-2026-6959"]},"retained":false,"historicalAffected":[]}],"coverage":[]}