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CVE-2026-8052

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

Published: May 12, 2026Updated: May 13, 2026 Sources: CVE List NVD BDUCWE-59
NVD MITRE
6.0CVSSMEDIUM
EPSS Score
0.1%
Top 97.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:CC:NI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-59

Affected Products

Shared libraryHashiCorp
On-prem
Cloud & SaaS / api-gateway
exec2HashiCorp
On-prem
Cloud & SaaS / api-gateway
hashicorpcommercialUSCloud & SaaSaka hashicorp inc.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

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
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/77415/1
discuss.hashicorp.com

Timeline

Published
May 12, 2026
Last Updated
May 13, 2026

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