---
id: CVE-2026-115392
aliases:
  - RUSTSEC-2026-0269
  - GHSA-vqjp-4c8c-hfgg
title: Filesystem sandbox escape when paths or symlinks contain trailing slashes
summary: Filesystem sandbox escape when paths or symlinks contain trailing slashes
severity: high
cvss: 7.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L'
vendor: wasmtime
product: wasmtime
ecosystem: rust
affected:
  - 'wasmtime >= 47.0.0, < 47.0.4'
patched:
  - wasmtime 47.0.4
published: '2026-08-20'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T10:55:41.227544448Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/RUSTSEC-2026-0269'
references:
  - url: 'https://crates.io/crates/wasmtime'
  - url: 'https://rustsec.org/advisories/RUSTSEC-2026-0269.html'
  - url: 'https://github.com/bytecodealliance/wasmtime/pull/14182'
  - url: >-
      https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-vqjp-4c8c-hfgg
    label: GitHub Security Advisory (GHSA-vqjp-4c8c-hfgg)
  - url: >-
      https://www.vulncheck.com/advisories/wasmtime-before-24.0.13-25.0.0-before-36.0.14-37.0.0-before-46.0.3-and-47.0.0-before-47.0.4-sandbox-escape-via-trailing-slashes
    label: >-
      VulnCheck Advisory: Wasmtime before 24.0.13, 25.0.0 before 36.0.14, 37.0.0
      before 46.0.3, and 47.0.0 before 47.0.4 Sandbox Escape via Trailing
      Slashes
tags:
  - osv
  - rust
  - cve.org
cvssSource: cna
cwe:
  - CWE-61
ingestedAt: '2026-10-22T22:00:50.409Z'
---

## Overview

This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-vqjp-4c8c-hfgg
For more information see the GitHub-hosted security advisory.

## Affected packages

- `wasmtime >= 47.0.0, < 47.0.4`

## Remediation

Upgrade to a patched release:

- `wasmtime 47.0.4`