{"id":"CVE-2020-27195","aliases":["GHSA-77cr-6gr8-7rr9","GO-2022-0806"],"url":"https://o3.security/vulnerability/CVE-2020-27195","summary":"Use After Free in HashiCorp Nomad","details":"HashiCorp Nomad and Nomad Enterprise version 0.9.0 up to 0.12.5 client file sandbox feature can be subverted using either the template or artifact stanzas. Fixed in 0.12.6, 0.11.5, and 0.10.6","published":"2020-10-22T17:15:12.597Z","modified":"2026-07-08T16:28:57.185520Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"epss":{"score":0.01491,"percentile":0.71837,"asOf":"2026-08-28"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/nomad","fixedVersion":"0.10.6"},{"ecosystem":"Go","name":"github.com/hashicorp/nomad","fixedVersion":"0.11.5"},{"ecosystem":"Go","name":"github.com/hashicorp/nomad","fixedVersion":"0.12.6"}],"fix":{"url":"https://github.com/hashicorp/nomad/pull/9139","label":"hashicorp/nomad#9139"},"references":[{"type":"WEB","url":"https://www.nomadproject.io/downloads"},{"type":"ADVISORY","url":"https://github.com/hashicorp/nomad/blob/master/CHANGELOG.md#0126-october-21-2020"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27195"},{"type":"WEB","url":"https://github.com/hashicorp/nomad/issues/9129"},{"type":"WEB","url":"https://github.com/hashicorp/nomad/pull/9139"},{"type":"PACKAGE","url":"https://pkg.go.dev/github.com/hashicorp/nomad/client/allocrunner/taskrunner/template"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T16:28:57.185520Z"}}