{"id":"CVE-2026-58494","aliases":["RUSTSEC-2026-0188","GHSA-4ch3-9j33-3pmj"],"title":"WASI hard links and renames bypass wasmtime-wasi's FilePerms for destination","summary":"WASI hard links and renames bypass wasmtime-wasi's FilePerms for destination","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","vendor":"wasmtime-wasi","product":"wasmtime-wasi","ecosystem":"rust","affected":["wasmtime-wasi >= 46.0.0, < 46.0.1"],"patched":["wasmtime-wasi 46.0.1"],"published":"2026-06-24","updated":"2026-07-10","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0188","references":[{"url":"https://crates.io/crates/wasmtime-wasi"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0188.html"},{"url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-4ch3-9j33-3pmj"}],"tags":["osv","rust"],"epss":0.00171,"epssPercentile":0.06833,"ingestedAt":"2026-07-10T18:56:50.820Z","slug":"CVE-2026-58494","body":"## Overview\n\nThis is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-4ch3-9j33-3pmj\nFor more information see the GitHub-hosted security advisory.\n\n## Affected packages\n\n- `wasmtime-wasi >= 46.0.0, < 46.0.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `wasmtime-wasi 46.0.1`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}