Every CVE Search/ Get API key

CVE-2026-107347

Nomad dispatch payload writes can escape the allocation directory through symlinks

8.4 High

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 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
High

Exploit likelihood

0.13%Unchanged since Oct 30, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.4

Nomad dispatch payload writes can escape the allocation directory through symlinks

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 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

Record
CVE-2026-107347
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Weakness
CWE-59
Updated
2026-11-02
EUVDEUVD-2026-113318 8.4

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 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

Record
EUVD-2026-113318
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-qx6c-5f28-88p2 8.4

HashiCorp Nomad and Nomad Enterprise are vulnerable to symlink following during dispatch payload...

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.

Record
GHSA-qx6c-5f28-88p2
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Weakness
CWE-59
Updated
2026-11-02
NVD 8.4

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 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

Record
CVE-2026-107347
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Weakness
CWE-59
Updated
2026-11-02
OSV 8.4

Nomad dispatch payload writes can escape the allocation directory through symlinks

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 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

Record
CVE-2026-107347
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Weakness
CWE-59
Updated
2026-11-04
OSVUBUNTU-CVE-2026-107347 8.4

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 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

Record
UBUNTU-CVE-2026-107347
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nomad
Ubuntu:18.04:LTS
All versions, plus listed versions
0.4.0+dfsg-1
None known
nomad
Ubuntu:20.04:LTS
All versions, plus listed versions
0.8.7+dfsg1-1ubuntu1
None known

History

History
RecordedChangedSources
facts, referencesOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-107347 is a high vulnerability (CVSS 8.4) in Hashicorp Nomad, published October 29, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. No source names a fixed version.

References

MoveEnter Open