CVE-2026-67429 Flyto2 Core: Arbitrary file write via image.download (and other file-writing modules)

Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, image.download and related file-writing modules use caller-controlled outputdir instead of validatepathwithenvconfig and its FLYTOSANDBOXDIR confinement, allowing attacker-controlled response bytes to be...