{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14891","assignerOrgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","state":"PUBLISHED","assignerShortName":"HashiCorp","dateReserved":"2026-07-06T18:05:48.932Z","datePublished":"2026-07-08T20:09:05.752Z","dateUpdated":"2026-07-09T03:55:54.984Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Nomad","repo":"https://github.com/hashicorp/nomad","vendor":"HashiCorp","versions":[{"lessThan":"2.0.4","status":"affected","version":"0.4.1","versionType":"semver"}]},{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Nomad Enterprise","repo":"https://github.com/hashicorp/nomad","vendor":"HashiCorp","versions":[{"changes":[{"at":"1.11.8","status":"unaffected"},{"at":"1.10.14","status":"unaffected"}],"lessThan":"2.0.4","status":"affected","version":"0.4.1","versionType":"semver"}]}],"credits":[{"lang":"en","value":"This issue was reported to HashiCorp by Volkan Kutal, GitHub handle @KutalVolkan."}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>HashiCorp Nomad and Nomad Enterprise are vulnerable to a sandbox escape in the Docker task driver that may allow a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially leading to reading and writing files on the host. This vulnerability, CVE-2026-14891, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.</p><br/>"}],"value":"HashiCorp Nomad and Nomad Enterprise are vulnerable to a sandbox escape in the Docker task driver that may allow a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially leading to reading and writing files on the host. This vulnerability, CVE-2026-14891, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14."}],"impacts":[{"capecId":"CAPEC-132","descriptions":[{"lang":"en","value":"CAPEC-132: Symlink Attack"}]}],"metrics":[{"cvssV3_1":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access (Link Following)","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","shortName":"HashiCorp","dateUpdated":"2026-07-08T20:09:05.752Z"},"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-21-nomad-vulnerable-to-sandbox-escape-in-docker-task-driver/77561"}],"source":{"advisory":"HCSEC-2026-21","discovery":"EXTERNAL"},"title":"Nomad vulnerable to sandbox escape in Docker task driver"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-08T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-14891"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-09T03:55:54.984Z"}}]}}