{"id":"CVE-2026-119168","state":"PUBLISHED","title":"Nomad allocation data migration may allow host directory permission modification via symlink following","description":"HashiCorp Nomad and Nomad Enterprise are vulnerable to symlink following during same-client allocation data migration that may allow a malicious workload to change permissions and ownership of host directories. This could allow unauthorized access to host data or modification of host files, potentially leading to privilege escalation. This vulnerability (CVE-2026-119168) is fixed in Nomad 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.","publishedAt":"2026-10-29T18:12:51.268Z","updatedAt":"2026-10-30T17:19:47.361Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"HashiCorp"},"assigner":"HashiCorp","products":["HashiCorp Nomad","HashiCorp Nomad Enterprise"],"affected":[{"vendor":"HashiCorp","product":"Nomad","defaultStatus":"unaffected","versions":[{"version":"0.5.3","status":"affected","lessThan":"2.1.1","versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/nomad"},{"vendor":"HashiCorp","product":"Nomad Enterprise","defaultStatus":"unaffected","versions":[{"version":"0.5.3","status":"affected","lessThan":"2.1.0","changes":[{"at":"1.11.12","status":"unaffected"},{"at":"1.10.18","status":"unaffected"}],"versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/nomad"}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-53-nomad-allocation-data-migration-may-allow-host-directory-permission-modification-via-symlink-following/77931"],"weaknesses":["CWE-59"],"ingestedAt":"2026-10-30T17:28:06.624Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/119xxx/CVE-2026-119168.json","commit":"3341b8c15da9d44519feb86e18f02f360209d08a","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-119168","state":"PUBLISHED","datePublished":"2026-10-29T18:12:51.268Z","dateUpdated":"2026-10-30T17:19:47.361Z","assignerShortName":"HashiCorp","assignerOrgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateReserved":"2026-10-29T15:04:38.269Z"},"containers":{"cna":{"title":"Nomad allocation data migration may allow host directory permission modification via symlink following","descriptions":[{"lang":"en","value":"HashiCorp Nomad and Nomad Enterprise are vulnerable to symlink following during same-client allocation data migration that may allow a malicious workload to change permissions and ownership of host directories. This could allow unauthorized access to host data or modification of host files, potentially leading to privilege escalation. This vulnerability (CVE-2026-119168) is fixed in Nomad 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18."}],"affected":[{"vendor":"HashiCorp","product":"Nomad","defaultStatus":"unaffected","versions":[{"version":"0.5.3","status":"affected","lessThan":"2.1.1","versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/nomad"},{"vendor":"HashiCorp","product":"Nomad Enterprise","defaultStatus":"unaffected","versions":[{"version":"0.5.3","status":"affected","lessThan":"2.1.0","changes":[{"at":"1.11.12","status":"unaffected"},{"at":"1.10.18","status":"unaffected"}],"versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/nomad"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-53-nomad-allocation-data-migration-may-allow-host-directory-permission-modification-via-symlink-following/77931"}],"metrics":[{"cvssV3_1":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","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":{"shortName":"HashiCorp","orgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateUpdated":"2026-10-30T14:04:51.598Z"},"credits":[{"lang":"en","value":"This issue was reported to HashiCorp by Sajda Kabir ([http://github.com/sajdakabir|http://github.com/sajdakabir])."}],"impacts":[{"capecId":"CAPEC-132","descriptions":[{"lang":"en","value":"CAPEC-132: Symlink Attack"}]}],"source":{"advisory":"HCSEC-2026-53","discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T17:19:36.166956Z","id":"CVE-2026-119168","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-30T17:19:47.361Z"}}]}}}