Flyto2 Core: ${env.VAR} interpolation reads any env secret despite env.get being denylisted

Date Jul 30, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product PyPI ยท flyto-core
CVE CVE-2026-67427
High-risk advisory CVE-2026-67427

Summary

Flyto2 Core: ${env.VAR} interpolation reads any env secret despite env.get being denylisted

Why it matters

GitHub has published a reviewed security advisory for flyto-core. Prioritize it with other application dependency updates, especially because EPSS places it in the 27% percentile.

Operator check

Check whether flyto-core is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 27%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.