CVE-2026-67427
High
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.
SeverityHigh
CVSS8.6
Exploit probability—
ProductFlyto-core
PublishedJul 29, 2026
First seenJul 29, 2026
Weakness typeCWE-522CWE-522CWE-668CWE-668CWE-693CWE-693
How to fix
Update
- flyto-core2.26.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| flyto-corePyPI | v < 2.26.7 | 2.26.7 |
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