{"id":"CVE-2026-102260","state":"PUBLISHED","title":"Nomad vulnerable to cross-namespace information disclosure in multiple endpoints","description":"HashiCorp Nomad and Nomad Enterprise are vulnerable to cross-namespace authorization bypasses in several read-only API endpoints that may allow an authenticated user with read permissions in one namespace to view information about objects in other namespaces. This vulnerability (CVE-2026-102260) is fixed in Nomad Community Edition 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.","publishedAt":"2026-10-29T18:05:47.414Z","updatedAt":"2026-10-30T17:18:44.118Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"HashiCorp"},"assigner":"HashiCorp","products":["HashiCorp Nomad","HashiCorp Nomad Enterprise"],"affected":[{"vendor":"HashiCorp","product":"Nomad","defaultStatus":"unaffected","versions":[{"version":"0.11.0","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":"0.11.0","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-2026-51-nomad-vulnerable-to-cross-namespace-information-disclosure-in-multiple-endpoints/77929"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-30T17:24:06.930Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/102xxx/CVE-2026-102260.json","commit":"e8328137ecf4069b095dab9de0403e0e5a96b5ec","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102260","state":"PUBLISHED","datePublished":"2026-10-29T18:05:47.414Z","dateUpdated":"2026-10-30T17:18:44.118Z","assignerShortName":"HashiCorp","assignerOrgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateReserved":"2026-09-28T19:48:07.925Z"},"containers":{"cna":{"title":"Nomad vulnerable to cross-namespace information disclosure in multiple endpoints","descriptions":[{"lang":"en","value":"HashiCorp Nomad and Nomad Enterprise are vulnerable to cross-namespace authorization bypasses in several read-only API endpoints that may allow an authenticated user with read permissions in one namespace to view information about objects in other namespaces. This vulnerability (CVE-2026-102260) is fixed in Nomad Community Edition 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":"0.11.0","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":"0.11.0","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-2026-51-nomad-vulnerable-to-cross-namespace-information-disclosure-in-multiple-endpoints/77929"}],"metrics":[{"cvssV3_1":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"HashiCorp","orgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateUpdated":"2026-10-30T14:03:01.003Z"},"credits":[{"lang":"en","value":"This issue was reported to HashiCorp by Wenhao Wu (Southeast University)."}],"impacts":[{"capecId":"CAPEC-1","descriptions":[{"lang":"en","value":"CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs"}]}],"source":{"advisory":"HCSEC-2026-51","discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T17:18:32.035527Z","id":"CVE-2026-102260","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-30T17:18:44.118Z"}}]}}}