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Mon, 29 Jun 2026 13:30:00 +0000
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ssvc
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Sat, 27 Jun 2026 01:30:00 +0000
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| First Time appeared |
Kestra-io
Kestra-io kestra |
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| Vendors & Products |
Kestra-io
Kestra-io kestra |
Fri, 26 Jun 2026 21:30:00 +0000
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| Description | Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.43 and 1.3.19, several Kestra API endpoints accept a kestra:// URI from the client and pass it through StorageInterface.parentTraversalGuard before reading the underlying file from the local storage backend. The guard only inspects the literal URI.toString(), so a URL-encoded .. written as %2E%2E slips through. The downstream code then calls URI.getPath(), which decodes %2E%2E back to .., and the resulting path is handed to Paths.get(...) without normalization. The OS resolves the .. segments at open(2) time, so an authenticated user with a single execution can read any file the Kestra process has access to on the host filesystem (/etc/passwd, mounted secrets, other tenants' execution outputs, etc.). This vulnerability is fixed in 1.0.43 and 1.3.19. | |
| Title | Kestra: Path traversal via URL-encoded "%2E%2E" in execution and namespace file endpoints allows arbitrary file read | |
| Weaknesses | CWE-22 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-29T12:13:48.793Z
Reserved: 2026-05-13T08:19:32.604Z
Link: CVE-2026-45807
Updated: 2026-06-29T12:12:50.599Z
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OpenCVE Enrichment
Updated: 2026-06-27T01:15:08Z