HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.

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.

HashiCorp Nomad and Nomad Enterprise version 0.2.0 up to 1.3.0 were impacted by go-getter vulnerabilities enabling privilege escalation through the artifact stanza in submitted jobs onto the client agent host. Fixed in 1.1.14, 1.2.8, and 1.3.1.

HashiCorp Nomad and Nomad Enterprise 0.3.0 through 1.0.17, 1.1.11, and 1.2.5 artifact download functionality has a race condition such that the Nomad client agent could download the wrong artifact into the wrong destination. Fixed in 1.0.18, 1.1.12, and 1.2.6

HashiCorp Nomad and Nomad Enterprise Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.0.10 and 1.1.4.

HashiCorp Nomad and Nomad Enterprise up to version 1.0.4 bridge networking mode allows ARP spoofing from other bridged tasks on the same node. Fixed in 0.12.12, 1.0.5, and 1.1.0 RC1.

HashiCorp Nomad and Nomad Enterprise up to 0.12.9 exec and java task drivers can access processes associated with other tasks on the same node. Fixed in 0.12.10, and 1.0.3.

HashiCorp Nomad and Nomad Enterprise up to 0.10.4 contained a cross-site scripting vulnerability such that files from a malicious workload could cause arbitrary JavaScript to execute in the web UI. Fixed in 0.10.5.

HashiCorp Nomad and Nomad Enterprise up to 0.10.2 incorrectly validated role/region associated with TLS certificates used for mTLS RPC, and were susceptible to privilege escalation. Fixed in 0.10.3.

HashiCorp Nomad and Nonad Enterprise up to 0.10.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 0.10.3.