Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, the workflow engine variable resolver expands ${env.VAR} for any host environment variable without an allowlist or capability policy check, allowing a workflow parameter to bypass the default capability policy denylist for env.get and env.load_dotenv and exfiltrate secrets through allowed modules. This issue is fixed in version 2.26.6.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| flytohub | flyto-core | affected |
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History
Wed, 29 Jul 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, the workflow engine variable resolver expands ${env.VAR} for any host environment variable without an allowlist or capability policy check, allowing a workflow parameter to bypass the default capability policy denylist for env.get and env.load_dotenv and exfiltrate secrets through allowed modules. This issue is fixed in version 2.26.6. | |
| Title | Flyto2 Core: ${env.VAR} interpolation reads any env secret despite env.get being denylisted | |
| Weaknesses | CWE-522 CWE-668 CWE-693 |
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cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-07-29T18:45:47.908Z
Reserved: 2026-07-29T15:02:20.413Z
Link: CVE-2026-67427
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