Medium severity · published May 12, 2026
CVE-2026-6959
Nomad vulnerable to arbitrary file read/write on client host through symlink attack
6.0
CVSS
0.2%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NO
Nomad · HashiCorp
0.9.0 before 2.0.1 · source: vendor
NE
Nomad Enterprise · HashiCorp
0.9.0 before 2.0.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6959
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6959
discuss.hashicorp.com
https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416
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