{"cve":"CVE-2026-88978","nvd":{"published":"2026-09-21T16:17:26.010","modified":"2026-09-24T23:19:21.497","status":"Deferred","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.","cvss_v4":null,"cvss_v3":{"version":"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},"cwes":["CWE-639","CWE-863"],"references":["https://github.com/hatchet-dev/hatchet/commit/15bc7923d3a8ebfeb0d88c19160dd24828921e85","https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-992g-9cr3-vm5x"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:55:23.253742848+00:00"},"epss":{"cve":"CVE-2026-88978","score":0.00281,"percentile":0.2063,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-992g-9cr3-vm5x","url":"https://osv.dev/vulnerability/GHSA-992g-9cr3-vm5x","summary":"Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenant_id filter","modified":"2026-10-01T20:56:09.019139543Z","packages":[{"ecosystem":"Go","name":"github.com/hatchet-dev/hatchet","purl":"pkg:golang/github.com/hatchet-dev/hatchet","ranges":["<0.106.1"],"fixed":["0.106.1"]}]},{"id":"GO-2026-6560","url":"https://osv.dev/vulnerability/GO-2026-6560","summary":"Hatchet DurableTask WorkerStatus gRPC resolves caller-supplied durable-task UUIDs via ListSatisfiedEntries with no tenant_id filter in github.com/hatchet-dev/hatchet","modified":"2026-10-01T20:45:14.184711627Z","packages":[{"ecosystem":"Go","name":"github.com/hatchet-dev/hatchet","purl":"pkg:golang/github.com/hatchet-dev/hatchet","ranges":["<0.106.1"],"fixed":["0.106.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}