{"id":"GO-2026-6560","revision":null,"records":[{"revision":"9c18d14b0a41423798bfe5f3e89b057c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-88978","aliases":[],"title":"Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenant_id filter","description":"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/durable_events.go passes caller-supplied durable task, node, and branch identifiers to ListSatisfiedEntries without a tenant filter, allowing an authenticated tenant worker that knows another tenant's durable-task UUID to retrieve matching durable event-log records. The UUIDv4 requirement makes exploitation unlikely, and single-tenant deployments are unaffected in practice. This issue is fixed in version 0.106.1.","state":0,"publishedAt":"2026-09-21T15:49:12.735+00:00","modifiedAt":"2026-09-24T22:18:16.195+00:00","affected":[{"ecosystem":"Vendor product","name":"hatchet","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"hatchet-dev\",\n                    \"product\": \"hatchet\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 0.106.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-992g-9cr3-vm5x","https://github.com/hatchet-dev/hatchet/commit/15bc7923d3a8ebfeb0d88c19160dd24828921e85"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-88978","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-88978","identifiers":["CVE-2026-88978"]},"retained":false,"historicalAffected":[]},{"revision":"c3c87c5953df4efd8c060c4aa17a9c8a","observedAt":"2026-11-11T17:03:43.962+00:00","statement":{"source":"euvd","id":"EUVD-2026-83980","aliases":["CVE-2026-88978","GHSA-992g-9cr3-vm5x"],"title":"Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. 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This issue is fixed in version 0.106.1.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":null}],"references":["https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-992g-9cr3-vm5x","https://github.com/hatchet-dev/hatchet/commit/15bc7923d3a8ebfeb0d88c19160dd24828921e85"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-83980","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 21, 2026, 3:49:12 PM","dateUpdated":"Sep 24, 2026, 10:18:16 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-83980","identifiers":["EUVD-2026-83980","CVE-2026-88978","GHSA-992g-9cr3-vm5x"]},"retained":false,"historicalAffected":[]},{"revision":"20cd081beefc47189590fb39792abba4","observedAt":"2026-10-25T16:19:22.228+00:00","statement":{"source":"nvd","id":"CVE-2026-88978","aliases":[],"title":"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/durable_events.go passes caller-supplied durable task, node, and bra…","description":"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/durable_events.go passes caller-supplied durable task, node, and branch identifiers to ListSatisfiedEntries without a tenant filter, allowing an authenticated tenant worker that knows another tenant's durable-task UUID to retrieve matching durable event-log records. The UUIDv4 requirement makes exploitation unlikely, and single-tenant deployments are unaffected in practice. This issue is fixed in version 0.106.1.","state":0,"publishedAt":"2026-09-21T16:17:26.01+00:00","modifiedAt":"2026-09-24T23:19:21.497+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/hatchet-dev/hatchet/commit/15bc7923d3a8ebfeb0d88c19160dd24828921e85","https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-992g-9cr3-vm5x"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88978","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-639","CWE-863"],"productCriteria":[],"sourceDates":{"published":"2026-09-21T16:17:26.010","lastModified":"2026-09-24T23:19:21.497"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-88978","identifiers":["CVE-2026-88978"]},"retained":false,"historicalAffected":[]},{"revision":"3c77da07f6f94f93871ed4ec83780823","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-992g-9cr3-vm5x","aliases":["CVE-2026-88978","GO-2026-6560"],"title":"Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenant_id filter","description":"# Cross-tenant disclosure risk on `DurableTask` bidi RPC\n\nThis 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 the `handleWorkerStatus` polling path.\n\n# Impact\n\nThis advisory requires an attacker to successfully guess a durable task's external uuid belonging to another tenant. External ids are generated uuid v4s (`uuid.New()` in Go), so exploitation requires prior knowledge of a target task UUID through an out-of-band channel. Thus, while the following environments are impacted, there is an extremely low probability it would be exploited.\n\n### Who is impacted. Any Hatchet deployment that hosts more than one tenant on the same instance:\n\n* Hatchet Cloud (multi-tenant SaaS)\n* Self-hosted Hatchet with multiple internal teams / business units sharing one instance\n* Any deployment where a single tenant's API token can be obtained by an attacker\n\nSingle-tenant self-hosted deployments are unaffected in practice (the \"victim\" and \"attacker\" tenants would be the same).","state":0,"publishedAt":"2026-09-22T20:40:46+00:00","modifiedAt":"2026-10-01T20:56:09.0191395+00:00","affected":[{"ecosystem":"Go","name":"github.com/hatchet-dev/hatchet","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.106.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-992g-9cr3-vm5x","https://nvd.nist.gov/vuln/detail/CVE-2026-88978","https://github.com/hatchet-dev/hatchet/commit/15bc7923d3a8ebfeb0d88c19160dd24828921e85","https://github.com/hatchet-dev/hatchet"],"sourceUrl":"https://github.com/advisories/GHSA-992g-9cr3-vm5x","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-992g-9cr3-vm5x","identifiers":["GHSA-992g-9cr3-vm5x","CVE-2026-88978","GO-2026-6560"]},"retained":false,"historicalAffected":[]},{"revision":"9f2398d2e6ab472fb189f709e4fdfda8","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-6560","aliases":["CVE-2026-88978","GHSA-992g-9cr3-vm5x"],"title":"Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenant_id filter in github.com/hatchet-dev/hatchet","description":"Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenant_id filter in github.com/hatchet-dev/hatchet","state":0,"publishedAt":"2026-10-01T20:23:38+00:00","modifiedAt":"2026-10-01T20:45:14.1847116+00:00","affected":[{"ecosystem":"Go","name":"github.com/hatchet-dev/hatchet","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.106.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-992g-9cr3-vm5x","https://nvd.nist.gov/vuln/detail/CVE-2026-88978","https://github.com/hatchet-dev/hatchet/commit/15bc7923d3a8ebfeb0d88c19160dd24828921e85"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6560","license":"OSV · upstream source license applies","key":"osv:GO-2026-6560","identifiers":["GO-2026-6560","CVE-2026-88978","GHSA-992g-9cr3-vm5x"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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