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.
Published: 2026-07-29
Score: 8.6 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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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
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'}

Subscriptions

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cve-icon 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

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses
  • CWE-522

    Insufficiently Protected Credentials

  • CWE-668

    Exposure of Resource to Wrong Sphere

  • CWE-693

    Protection Mechanism Failure