🛡️ RUSTSEC-2026-0222 — wasmtime

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Stores can mix up type indices between engines

This is an entry in the RustSec database for the Wasmtime security advisory

located at

https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hgjw-h833-99q9

For more information see the GitHub-hosted security advisory.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs administrative privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Affected software

RUSTSEC-2026-0222 is recorded against 1 package.

  • wasmtime

Timeline and source

Published on 31 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

crates.io (Package)
rustsec.org (Advisory)
github.com (Advisory)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-07-31
Updated 2026-08-12
Modified 2026-07-31
Fix URL N/A

Affected Packages

Software From version Fixed in
wasmtime — —

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