要点
- CVE-2026-63342 は github.com/hatchet-dev/hatchet に影響する深刻度「中」 (CVSS 6.3) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：0.31%（全脆弱性の 24.5% より高い）。
- 対処：0.91.1 以降に更新してください。
概要
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 authenticated Hatchet user can read durable task event logs from any other tenant, exposing:
- Task display names and workflow identifiers
- User messages (may contain sensitive business data)
- Wait conditions and branching logic
- Timing information
NVD の説明
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/workflow_run.yaml defines the GET /api/v1/stable/durable-tasks/{durable-task} endpoint implemented by listDurableEventLog without requiring the target tenant as a parent resource, allowing an authenticated user who obtains another tenant's durable task UUID to read that task's event log. Disclosed data can include task display names, workflow identifiers, user messages, wait conditions, branching logic, and timing information. This issue is fixed in version 0.91.1.
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