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CVE-2026-53577

Kestra: Cross-Execution File Read via Preview Endpoint (IDOR) PUBLISHED

Description (CNA)

Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the previewFileFromExecution endpoint (GET /api/v1/{tenant}/executions/{executionId}/file/preview) contains an access control bypass that allows any authenticated user to read output files from any other execution within the same tenant, bypassing execution-level and namespace-level isolation. This vulnerability is fixed in 1.0.45 and 1.3.21.

Affected (CNA)

Vendor / productVersions
kestra-io / kestraaffected < 1.0.45; affected >= 1.1.0, < 1.3.21

CWE

CWE-863

References

ADP enrichment

CISA-ADP

No English description supplied.