GHSA-P28V-F755-9QRG Trigger.dev: Prototype pollution via run metadata operations → process-wide cross-tenant DoS

Summary The run-metadata update endpoint PUT /api/v1/runs/:runId/metadata applies client-supplied "operations" by passing the attacker-controlled operation.key straight into new JSONHeroPathoperation.key.setnewMetadata, value packages/core/src/v3/runMetadata/operations.ts:22-23, with no...