HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-115392 — Wasmtime before 24.0.13, 25.0.0 before 36.0.14, 37.0.0 before 46.0.3, and 47.0.0...

·Source: NIST NVD

Updated:

Executive Summary

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 allows a filesystem sandbox escape in wasmtime-wasi because its cap-std dependency mishandles symlinks with trailing slashes on macOS and Linux kernels lacking openat2. A guest with write access to any sandboxed directory can read and write any host-accessible file, and read-only guests may read host fil

Analysis

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 allows a filesystem sandbox escape in wasmtime-wasi because its cap-std dependency mishandles symlinks with trailing slashes on macOS and Linux kernels lacking openat2. A guest with write access to any sandboxed directory can read and write any host-accessible file, and read-only guests may read host files via preexisting symlinks. CVSS Score: 7.9. Published: 2026-10-22T19:17:46.863.

Indicators of Compromise (1)

CVE (1)
CVE-2026-115392
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Oct 22, 2026. Verified by: NIST.

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