CVE-2026-6959Nomad vulnerable to arbitrary file read/write on client host through symlink attack
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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.
- CVSS
- 6.0 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
- Weakness (CWE)
- CWE-59
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- HashiCorp
- NVD analysis
- Deferred
- Record last updated
- May 12, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
HashiCorp Nomad hashicorp:nomad (from the name) | from 0.9.0 before 2.0.1 | CNA record |
HashiCorp Nomad Enterprise hashicorp:nomad_enterprise (from the name) | from 0.9.0 before 2.0.1; fixed at 1.11.5, fixed at 1.10.11 | CNA record |
References
- https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.