CVE-2026-47218

runwasi facilitates running Wasm and WASI workloads managed by containerd. Prior to 0.6.1, containerd-shim-wasmtime-v1 can treat Wasmtime precompiled bytes supplied directly in an OCI image layer as a trusted artifact from the precompile-cache path and deserialize them as native code. An attacker...

CVE-2026-47218

The runwasi project contains a vulnerability in containerd-shim-wasmtime-v1 prior to version 0.6.1 . The flaw allows an attacker to provide Wasmtime precompiled bytes directly within an OCI image layer, which the shim incorrectly treats as a trusted artifact from the precompile-cache path. By des...

CVE-2026-47218 runwasi: Forged Wasmtime precompiled OCI layer bypasses runwasi WASI sandbox

runwasi facilitates running Wasm and WASI workloads managed by containerd. Prior to 0.6.1, containerd-shim-wasmtime-v1 can treat Wasmtime precompiled bytes supplied directly in an OCI image layer as a trusted artifact from the precompile-cache path and deserialize them as native code. An attacker...

PT-2026-115107

Name of the Vulnerable Software and Affected Versions runwasi versions prior to 0.6.1 Description In containerd-shim-wasmtime-v1, Wasmtime precompiled bytes provided in an OCI image layer can be incorrectly treated as trusted artifacts from the precompile-cache path and deserialized as native cod...

Node.js: WASI sandbox escape via symlink

A WASI + WASM program was discovered to be able to use pathsymlink to read arbitrary files on the host machine by creating a symlink in a preopen to a different location on the local file system, thereby escaping the WASI sandbox...