HashiCorp Nomad 0.5.0 through 0.9.4 (fixed in 0.9.5) reveals unintended environment…
Priority LOW 31CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Partial Red Hat: 3 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-200.
Summary
HashiCorp Nomad 0.5.0 through 0.9.4 (fixed in 0.9.5) reveals unintended environment variables to the rendering task during template rendering, aka GHSA-6hv3-7c34-4hx8. This applies to nomad/client/allocrunner/taskrunner/template.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00628 50th percentileScored 2026-11-07
Fix Partial github.com/hashicorp/nomad (Go): 0.9.5Red Hat: 3 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/hashicorp/nomad (Go) | before 0.9.5 | 0.9.5 | Patch available | GHSA-6hv3-7c34-4hx8 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/hashicorp/nomad (Go) Vendor— Affected before 0.9.5 Fixed in 0.9.5 Patch available GHSA-6hv3-7c34-4hx8
Remediation
- Fix · GHSA-6hv3-7c34-4hx8 github.com/hashicorp/nomad (Go) Fixed in 0.9.5 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet |
| Red Hat Openshift Container Storage 4 | Affected | No fix planned: Out of support scope |
| Red Hat Openshift Data Foundation 4 | Affected | No fix planned: Will not fix |
Not affected: 3 products
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Dev Spaces
- Red Hat Openshift Data Foundation 4
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14802
- 2026-10-03 Alias added: GHSA-6hv3-7c34-4hx8
- 2026-10-29 EPSS moved to the 50th–90th percentile
References
Advisory 3
More HashiCorp Nomad vulnerabilities
- TI-2019-09419 HashiCorp Nomad 0.9.0 through 0.9.1 has Incorrect Access Control via the exec driver. CVSS 3.0CRITICAL 9.8
- TI-2022-12559 HashiCorp Nomad and Nomad Enterprise version 0.2.0 up to 1.3.0 were impacted by go-getter… CVSS 3.1CRITICAL 9.8
- TI-2023-01674 Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation CVSS 3.1CRITICAL 10.0
- TI-2020-06436 HashiCorp Nomad and Nomad Enterprise up to 0.10.2 incorrectly validated role/region… CVSS 3.1CRITICAL 9.8
- TI-2020-16532 HashiCorp Nomad and Nomad Enterprise version 0.9.0 up to 0.12.5 client file sandbox… CVSS 3.1CRITICAL 9.1
- TI-2021-19357 HashiCorp Nomad and Nomad Enterprise up to 1.0.13, 1.1.7, and 1.2.0, with the QEMU task… CVSS 3.1HIGH 8.8
Sources
- CVE-2019-14802 · CVE Program
- CVE-2019-14802 · NVD
- FIRST EPSS
- GHSA-6hv3-7c34-4hx8 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-14802 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences