GO-2026-5980 yutu: Arbitrary File Write via MCP `caption-download` Tool in github.com/eat-pray-ai/yutu

yutu: Arbitrary File Write via MCP caption-download Tool in github.com/eat-pray-ai/yutu...

GHSA-2C7F-FXWW-6W6C yutu: Arbitrary File Write via MCP `caption-download` Tool

Arbitrary File Write via MCP caption-download Tool Summary The caption-download MCP tool in yutu passes the caller-supplied file parameter directly to os.Create at pkg/caption/caption.go:272 without any path validation, canonicalization, or confinement to the pkg.Root boundary YUTUROOT. A local...

PT-2026-60085

Name of the Vulnerable Software and Affected Versions yutu version 0.0.0-dev Description An arbitrary file write issue exists in the caption-download MCP tool. The tool fails to validate, canonicalize, or confine the file parameter to the intended YUTU ROOT boundary, passing it directly to the...