CVE-2026-48129
6.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
Summary
Kestra is an open-source, event-driven orchestration platform. Prior to versions 1.3.19, 1.2.19, 1.1.19, and 1.0.43, Kestra task inputFiles writes rendered file names directly under the task working directory. When a flow forwards untrusted execution or webhook data into an inputFiles file name, a caller can use ../ path segments to create or overwrite files outside that task working directory on the worker filesystem. Versions 1.3.19, 1.2.19, 1.1.19, and 1.0.43 patch the issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| kestra-io | kestra | < 1.0.43 | affected |
| kestra-io | kestra | >= 1.1.0, < 1.1.19 | affected |
| kestra-io | kestra | >= 1.2.0, < 1.2.19 | affected |
| kestra-io | kestra | >= 1.3.0, < 1.3.19 | affected |
Weaknesses
- CWE-22: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
Additional References
References
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