Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenant_id filter

Cross-tenant disclosure risk on DurableTask bidi RPC This is a low-severity, low-risk cross-tenant data exposure vuln caused by blindly accepting a durable task id, in addition to a list of node and branch ids that identify records in that task's event log, and returning them to the caller via th...

EUVD-2026-83980

Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenantid filter...

Hatchet: Cross-tenant durable callback payload disclosure in Hatchet V1 Dispatcher

Summary The V1 DurableTask stream handler registers worker-supplied durable task external IDs in an in-memory callback routing map before verifying that the authenticated tenant owns the task. If the tenant-scoped ownership check fails, the handler logs the error and continues, but the map entry...

EUVD-2026-83977

Hatchet: Cross-Tenant Durable Task Event Log Disclosure via Missing Authorization Check...

GHSA-G26X-M427-F48F Hatchet: Cross-Tenant Durable Task Event Log Disclosure via Missing Authorization Check

Summary The GET /api/v1/stable/durable-tasks/durable-task endpoint listDurableEventLog is missing tenant authorization validation, allowing any authenticated user to read durable task event logs from any tenant. Impact This CVE requires the attacker to successfully guess the target UUID. Any...

Hatchet: Cross-Tenant Durable Task Event Log Disclosure via Missing Authorization Check

Summary The GET /api/v1/stable/durable-tasks/durable-task endpoint listDurableEventLog is missing tenant authorization validation, allowing any authenticated user to read durable task event logs from any tenant. Impact This CVE requires the attacker to successfully guess the target UUID. Any...

Hatchet: SSRF via Unsigned UnsubscribeURL in SNS UnsubscribeConfirmation Handler

Summary The SNS UnsubscribeConfirmation handler in internal/integrations/ingestors/sns/sns.go makes an unvalidated http.Get call to payload.UnsubscribeURL without any URL restriction. Because UnsubscribeURL is intentionally excluded from the BuildSignature signed field list, an attacker can repla...

EUVD-2026-83976

Hatchet: SSRF via Unsigned UnsubscribeURL in SNS UnsubscribeConfirmation Handler...

GHSA-FJWV-JF2V-J499 Hatchet: SSRF via Unsigned UnsubscribeURL in SNS UnsubscribeConfirmation Handler

Summary The SNS UnsubscribeConfirmation handler in internal/integrations/ingestors/sns/sns.go makes an unvalidated http.Get call to payload.UnsubscribeURL without any URL restriction. Because UnsubscribeURL is intentionally excluded from the BuildSignature signed field list, an attacker can repla...

CVE-2026-88978

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.106.1, the WorkerStatus gRPC polling path in pkg/repository/durableevents.go passes caller-supplied durable task, node, and branch identifiers to ListSatisfiedEntries without a tenant...

CVE-2026-84298

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.95.3, the V1 DurableTask stream handler stores worker-supplied taskexternalid values in the durableInvocations routing map before tenant ownership is verified, and callback delivery...

CVE-2026-63342

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.91.1, api-contracts/openapi/paths/v1/workflow-runs/workflowrun.yaml defines the GET /api/v1/stable/durable-tasks/durable-task endpoint implemented by listDurableEventLog without requiri...

CVE-2026-61687

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.91.1, ValidateOAuthState clears the oauthstate session value to an empty string after a successful OAuth callback and later accepts an empty state parameter as equal, allowing an...

CVE-2026-61681

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.91.1, the SNS UnsubscribeConfirmation handler in internal/integrations/ingestors/sns/sns.go calls http.Get on payload.UnsubscribeURL after VerifyPayload even though BuildSignature...

CVE-2026-88978

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows. Prior to 0.106.1 , the WorkerStatus gRPC polling path in pkg/repository/durable_events.go passes caller-supplied durable task, node, and branch identifiers to ListSatisfiedEntries without a tenant filter ....

CVE-2026-88978 Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenant_id filter

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.106.1, the WorkerStatus gRPC polling path in pkg/repository/durableevents.go passes caller-supplied durable task, node, and branch identifiers to ListSatisfiedEntries without a tenant...

CVE-2026-88978 Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenant_id filter

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.106.1, the WorkerStatus gRPC polling path in pkg/repository/durableevents.go passes caller-supplied durable task, node, and branch identifiers to ListSatisfiedEntries without a tenant...

CVE-2026-84298

Hatchet , a platform for orchestrating background tasks and durable workflows, contains a cross-tenant information disclosure in its V1 DurableTask stream handler prior to version 0.95.3. The root cause is that worker-supplied task_external_id values are stored in the durableInvocations routing m...

CVE-2026-84298 Hatchet: Cross-tenant durable callback payload disclosure in Hatchet V1 Dispatcher

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.95.3, the V1 DurableTask stream handler stores worker-supplied taskexternalid values in the durableInvocations routing map before tenant ownership is verified, and callback delivery...

CVE-2026-84298 Hatchet: Cross-tenant durable callback payload disclosure in Hatchet V1 Dispatcher

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.95.3, the V1 DurableTask stream handler stores worker-supplied taskexternalid values in the durableInvocations routing map before tenant ownership is verified, and callback delivery...