CVE-2026-119168 HashiCorp Nomad - Privilege Escalation

HashiCorp Nomad and Nomad Enterprise < 2.1.0, 1.11.12, 1.10.18 contain a symlink following vulnerability during same-client allocation data migration, letting malicious workloads change host directory permissions and ownership, potentially leading to privilege escalation, exploit requires malicious workload execution.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation, Data Tampering, Information Disclosure
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-59

Vendor fix

Update to Nomad 2.1.0, Nomad Enterprise 2.1.0, 1.11.12, or 1.10.18.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs