RUSTSEC-2026-0149

vendorUSosv

WASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction

view advisory published 2026-05-21Licence: CC0-1.0

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-2r75-cxrj-cmph For more information see the GitHub-hosted security advisory.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-47261US	—	0.36% (29th)	—	2026-06-15
Wasmtime is a runtime for WebAssembly. In versions prior to 24.0.9, 36.0.10, and 44.0.2, when a filesystem preopen is given DirPerms::all() and FilePerms::READ without FilePerms::W…

references

External citations — patches, advisories, analysis.

https://crates.io/crates/wasmtime-wasiPACKAGE
https://github.com/bytecodealliance/wasmtime/pull/13429WEB
https://rustsec.org/advisories/RUSTSEC-2026-0149.htmlADVISORY

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