Vulnerability DatabaseCVE-2026-6959
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CVE-2026-6959
Published:May 12, 2026
Updated:May 17, 2026
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.
Affected Packages
https://github.com/hashicorp/nomad.git (GITHUB):
Affected version(s) =v2.0.0 <v2.0.1
Fix Suggestion:
Update to version v2.0.1
https://github.com/hashicorp/nomad.git (GITHUB):
Affected version(s) >=v1.11.0 <v1.11.5
Fix Suggestion:
Update to version v1.11.5
https://github.com/hashicorp/nomad.git (GITHUB):
Affected version(s) >=v0.9.0 <v1.10.11
Fix Suggestion:
Update to version v1.10.11
github.com/hashicorp/nomad (GO):
Affected version(s) >=v1.11.0 <v1.11.5
Fix Suggestion:
Update to version v1.11.5
github.com/hashicorp/nomad (GO):
Affected version(s) =v2.0.0 <v2.0.1
Fix Suggestion:
Update to version v2.0.1
github.com/hashicorp/nomad (GO):
Affected version(s) >=v0.9.0 <v1.10.11
Fix Suggestion:
Update to version v1.10.11
Related Resources (1)
https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416
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CVSS v4
Base Score:
8.1
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
6
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Link Resolution Before File Access ('Link Following')
CWE-59