
CVE catalog
CVE-2026-6959
UBUNTU-
HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-6959) is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11.
- Severity
- Medium · CVSS 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.17% · Oct 27, 2026
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
Version impact has not been established. The original provider fields are retained below.
Provider details and historical evidence
Original provider fields
{
"package_releases": [],
"fixed_versions": [],
"distribution_packages": [
{
"name": "nomad",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "18.04",
"versions": [
"0.4.0+dfsg-1"
],
"ecosystem": "deb",
"fixed_version": "",
"provider_record_id": "UBUNTU-CVE-2026-6959"
},
{
"name": "nomad",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "20.04",
"versions": [
"0.8.7+dfsg1-1ubuntu1"
],
"ecosystem": "deb",
"fixed_version": "",
"provider_record_id": "UBUNTU-CVE-2026-6959"
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
Observed:
References
- [https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-6959]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-6959]
[FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]