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CVE-2026-115392

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 before 47.0.4 Sandbox Escape via Trailing Slashes

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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 8.8 · High · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • wasmtime

    Versions
    • ≥ 0, < 24.0.13: Affected (semver)
    • 24.0.13: Not affected (semver)
    • ≥ 25.0.0, < 36.0.14: Affected (semver)
    • 36.0.14: Not affected (semver)
    • ≥ 37.0.0, < 46.0.3: Affected (semver)
    • 46.0.3: Not affected (semver)
    • ≥ 47.0.0, < 47.0.4: Affected (semver)
    • 47.0.4: Not affected (semver)

    Update to 24.0.13; Update to 36.0.14; Update to 46.0.3; Update to 47.0.4

  • rust-wasmtime Debian:13

    Versions
    • 26.0.1+dfsg-10
    • 26.0.1+dfsg-3
    • 26.0.1+dfsg-4
    • 26.0.1+dfsg-5
    • 26.0.1+dfsg-6
    • 26.0.1+dfsg-7
    • 26.0.1+dfsg-8
    • 26.0.1+dfsg-9
    • 27.0.0+dfsg-2
    • 27.0.0+dfsg-3
    • 27.0.0+dfsg-4
    • 28.0.1+dfsg-1
    • 28.0.1+dfsg-2
    • 28.0.1+dfsg-3
    • 29.0.1+dfsg-1
    • 29.0.1+dfsg-2
    • 29.0.1+dfsg-3
    • 29.0.1+dfsg-4
    • 29.0.1+dfsg-5
    • 29.0.1+dfsg-6
    • 29.0.1+dfsg-7
    • 29.0.1+dfsg-8
    • 36.0.11+dfsg-1
    • 36.0.12+dfsg-1
    • 36.0.12+dfsg-2
    • 36.0.12+dfsg-3
    • 36.0.13+dfsg-1
    • 36.0.5+dfsg-1
    • 36.0.5+dfsg-2
    • 36.0.5+dfsg-3
    • 36.0.5+dfsg-4
    • 36.0.5+dfsg-5
    • 36.0.6+dfsg-1
    • 36.0.6+dfsg-2
    • 36.0.6+dfsg-3
    • 36.0.6+dfsg-4
    • 36.0.6+dfsg-5
    • 36.0.6+dfsg-6
    • 36.0.6+dfsg-7
    • 36.0.7+dfsg-1
    • 36.0.8+dfsg-1
    • 36.0.9+dfsg-1
    • 36.0.9+dfsg-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • rust-wasmtime Debian:14

    Versions
    • 26.0.1+dfsg-10
    • 26.0.1+dfsg-3
    • 26.0.1+dfsg-4
    • 26.0.1+dfsg-5
    • 26.0.1+dfsg-6
    • 26.0.1+dfsg-7
    • 26.0.1+dfsg-8
    • 26.0.1+dfsg-9
    • 27.0.0+dfsg-2
    • 27.0.0+dfsg-3
    • 27.0.0+dfsg-4
    • 28.0.1+dfsg-1
    • 28.0.1+dfsg-2
    • 28.0.1+dfsg-3
    • 29.0.1+dfsg-1
    • 29.0.1+dfsg-2
    • 29.0.1+dfsg-3
    • 29.0.1+dfsg-4
    • 29.0.1+dfsg-5
    • 29.0.1+dfsg-6
    • 29.0.1+dfsg-7
    • 29.0.1+dfsg-8
    • 36.0.11+dfsg-1
    • 36.0.12+dfsg-1
    • 36.0.12+dfsg-2
    • 36.0.12+dfsg-3
    • 36.0.13+dfsg-1
    • 36.0.5+dfsg-1
    • 36.0.5+dfsg-2
    • 36.0.5+dfsg-3
    • 36.0.5+dfsg-4
    • 36.0.5+dfsg-5
    • 36.0.6+dfsg-1
    • 36.0.6+dfsg-2
    • 36.0.6+dfsg-3
    • 36.0.6+dfsg-4
    • 36.0.6+dfsg-5
    • 36.0.6+dfsg-6
    • 36.0.6+dfsg-7
    • 36.0.7+dfsg-1
    • 36.0.8+dfsg-1
    • 36.0.9+dfsg-1
    • 36.0.9+dfsg-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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