Improper network isolation in Hashicorp Nomad

Description

References

• nvd.nist.gov/vuln/detail/CVE-2021-32575 · ADVISORY
• discuss.hashicorp.com/t/hcsec-2021-14-nomad-bridge-networking-mode-allows-arp-spoofing-from-other-bridged-tasks-on-same-node/24296 · WEB
• hashicorp.com/blog/category/nomad · WEB
• GitHub Advisory GHSA-vf6q-9f2f-mwhv · ADVISORY

More vulnerabilities in github.com/hashicorp/nomad

• CVE-2026-7474HIGH 8.8HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to code execution on the client host through a path traversal attack. Thi…
• CVE-2026-6959MEDIUM 6.0HashiCorp 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 …
• CVE-2025-4922HIGH 8.1Nomad Community and Nomad Enterprise (“Nomad”) prefix-based ACL policy lookup can lead to incorrect rule application and shadowing. This vul…
• CVE-2025-1296MEDIUM 6.5Nomad Community and Nomad Enterprise (“Nomad”) are vulnerable to unintentional exposure of the workload identity token and client secret tok…
• CVE-2024-12678MEDIUM 6.5Nomad Community and Nomad Enterprise ("Nomad") allocations are vulnerable to privilege escalation within a namespace through unredacted work…