CVE-2026-8052

MEDIUM 6.0

Nomad's exec2 task driver vulnerable to arbitrary file read/write on client host through symlink attack

CVSS Score

6.0

EPSS Score

0.0%

EPSS Percentile

0th

HashiCorp Nomad’s exec2 task driver prior to 0.1.2 is vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-8052) is fixed in version 0.1.2 of the exec2 task driver.

CWE	CWE-59
Vendor	hashicorp
Product	shared library
Published	May 12, 2026
Last Updated	May 12, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

HashiCorp / Shared library

0.1.0 < 0.1.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

discuss.hashicorp.com: https://discuss.hashicorp.com/t/hcsec-2026-13-nomads-exec2-task-driver-vulnerable-to-arbitrary-file-read-write-on-client-host-through-symlink-attack/77415

Credits

This issue was identified by the Nomad engineering team in conjunction with Alex Manson (Aiven / NeuroWinter).