High 8.4Published Oct 29, 2026

CVE-2026-107347Nomad dispatch payload writes can escape the allocation directory through symlinks

Updated under an hour ago (Oct 29, 2026, 10:23 PM ET)

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It affects HashiCorp Nomad and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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HashiCorp Nomad and Nomad Enterprise are vulnerable to symlink following during dispatch payload and executor log writes that may allow a malicious workload to modify files outside its allocation directory. When the client agent runs as root, this could lead to code execution as root on the client host. This vulnerability (CVE-2026-107347) is fixed in Nomad 2.1.0 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

CVSS: 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Weakness (CWE): CWE-59
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: HashiCorp
NVD analysis: Received
Record last updated: Oct 29, 2026
First seen by InfoSec Signals: Oct 29, 2026

Affected products

Affected products

HashiCorp Nomad hashicorp:nomad (from the name)	from 0.3.0 before 2.1.0	CNA record
HashiCorp Nomad Enterprise hashicorp:nomad_enterprise (from the name)	from 0.3.0 before 2.1.0; fixed at 1.11.12, fixed at 1.10.18	CNA record

References

References

https://discuss.hashicorp.com/t/hcsec-2026-52-nomad-dispatch-payload-writes-can-escape-the-allocation-directory-through-symlinks/77930

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.