---
id: RUSTSEC-2026-0352
aliases:
  - GHSA-m9f7-9w4p-gv38
title: Filesystem sandbox escape when renaming symlinks with trailing slashes
summary: Filesystem sandbox escape when renaming symlinks with trailing slashes
severity: none
vendor: wasmtime-wasi
product: wasmtime-wasi
ecosystem: rust
affected:
  - 'wasmtime-wasi >= 49.0.0, < 49.0.3'
patched:
  - wasmtime-wasi 49.0.3
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T20:30:02.524338627Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2026-0352'
references:
  - url: 'https://crates.io/crates/wasmtime-wasi'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2026-0352.html'
  - url: 'https://github.com/bytecodealliance/wasmtime/pull/14729'
tags:
  - osv
  - rust
ingestedAt: '2026-10-15T11:47:08.232Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-m9f7-9w4p-gv38
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime-wasi >= 49.0.0, < 49.0.3`

## Remediation

Upgrade to a patched release:

- `wasmtime-wasi 49.0.3`