GO-2026-6309 Hatchet allows cross-tenant write/DoS to other tenants' workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe in github.com/hatchet-dev/hatchet

Hatchet allows cross-tenant write/DoS to other tenants' workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe in github.com/hatchet-dev/hatchet...

GHSA-8X7X-83CF-C3PG Hatchet allows cross-tenant write/DoS to other tenants' workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe

Summary A cross-tenant write / DoS vulnerability in the Hatchet Dispatcher gRPC service allows any holder of a normal tenant-scoped API token the lowest credential Hatchet issues — an OWNER of a brand-new tenant to overwrite the affinity labels of, or disconnect from the dispatcher, any worker UU...

Hatchet allows cross-tenant write/DoS to other tenants' workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe

Summary A cross-tenant write / DoS vulnerability in the Hatchet Dispatcher gRPC service allows any holder of a normal tenant-scoped API token the lowest credential Hatchet issues — an OWNER of a brand-new tenant to overwrite the affinity labels of, or disconnect from the dispatcher, any worker UU...

CVE-2026-54746 Hatchet: Cross-tenant write/DoS to other tenants' workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. From 0.40.0 until 0.91.1, the Dispatcher gRPC service does not verify that a request's worker ID belongs to the tenant identified by the bearer-token context in Dispatcher/UpsertWorkerLabels and...

PT-2026-83170

Name of the Vulnerable Software and Affected Versions Hatchet versions 0.40.0 through 0.91.0 Description The Dispatcher gRPC service fails to verify if a request's worker ID belongs to the tenant identified by the bearer-token context. This occurs within the Dispatcher/UpsertWorkerLabels and...