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CVE-2026-6959

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6f2424a1802591f5f1b0d6b36f8cef0d6a1a94c6d19091ef71cc676f2aacacde
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Nomad","repo":"https://github.com/hashicorp/nomad","vendor":"HashiCorp","versions":[{"lessThan":"2.0.1","status":"affected","version":"0.9.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d0a9079cf1f9a2f0b2c4af6a1e256b3a068f5939e3784ef5fb9bc36ed10e0868 · sha256:7f67504eb62a3800… · /containers/cna/affected/0

{"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":"1.11.5","status":"unaffected"},{"at":"1.10.11","status":"unaffected"}],"lessThan":"2.0.1","status":"affected","version":"0.9.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d0a9079cf1f9a2f0b2c4af6a1e256b3a068f5939e3784ef5fb9bc36ed10e0868 · sha256:7f67504eb62a3800… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Nomad","repo":"https://github.com/hashicorp/nomad","vendor":"HashiCorp","versions":[{"lessThan":"2.0.1","status":"affected","version":"0.9.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d0a9079cf1f9a2f0b2c4af6a1e256b3a068f5939e3784ef5fb9bc36ed10e0868 · sha256:7f67504eb62a3800… · /containers/cna/affected/0
{"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":"1.11.5","status":"unaffected"},{"at":"1.10.11","status":"unaffected"}],"lessThan":"2.0.1","status":"affected","version":"0.9.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d0a9079cf1f9a2f0b2c4af6a1e256b3a068f5939e3784ef5fb9bc36ed10e0868 · sha256:7f67504eb62a3800… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":6,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d0a9079cf1f9a2f0b2c4af6a1e256b3a068f5939e3784ef5fb9bc36ed10e0868 · sha256:7f67504eb62a3800… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access (Link Following)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d0a9079cf1f9a2f0b2c4af6a1e256b3a068f5939e3784ef5fb9bc36ed10e0868 · sha256:7f67504eb62a3800… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d0a9079cf1f9a2f0b2c4af6a1e256b3a068f5939e3784ef5fb9bc36ed10e0868 · sha256:7f67504eb62a3800… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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