{"id":"CVE-2026-58494","revision":"271a0fbd19884ab8bf60e3f1d03ba328","records":[{"revision":"271a0fbd19884ab8bf60e3f1d03ba328","observedAt":"2026-10-25T14:19:16.843+00:00","statement":{"source":"nvd","id":"CVE-2026-58494","aliases":[],"title":"Wasmtime is a runtime for WebAssembly. Prior to 24.0.11, 36.0.12, 45.0.3, and 46.0.1, wasmtime-wasi hard-link creation and renaming check directory permissions but not matching FilePerms on source and destination preopens, allowing a WASI g…","description":"Wasmtime is a runtime for WebAssembly. Prior to 24.0.11, 36.0.12, 45.0.3, and 46.0.1, wasmtime-wasi hard-link creation and renaming check directory permissions but not matching FilePerms on source and destination preopens, allowing a WASI guest with a read-only source file capability to overwrite host files exposed as FilePerms::READ through wasip1, wasip2, or wasip3 filesystem interfaces. This issue is fixed in versions 24.0.11, 36.0.12, 45.0.3, and 46.0.1.","state":0,"publishedAt":"2026-07-08T21:16:54+00:00","modifiedAt":"2026-07-10T19:10:59.333+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/bytecodealliance/wasmtime/commit/5ddfd5f1ef28f2041fa07d237ad0336e167b0e0c","https://github.com/bytecodealliance/wasmtime/commit/7db94cdcf0c79cb3dfde884b534b653f2dd83367","https://github.com/bytecodealliance/wasmtime/commit/8a250aac0962ca1364b5f16525720e9d0b39edcd","https://github.com/bytecodealliance/wasmtime/commit/d3ceb56ec35f39e02496eeb4e2d9c7f4fb964d9e","https://github.com/bytecodealliance/wasmtime/releases/tag/v24.0.11","https://github.com/bytecodealliance/wasmtime/releases/tag/v36.0.12","https://github.com/bytecodealliance/wasmtime/releases/tag/v45.0.3","https://github.com/bytecodealliance/wasmtime/releases/tag/v46.0.1","https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-4ch3-9j33-3pmj"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-58494","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-281","CWE-863"],"productCriteria":[],"sourceDates":{"published":"2026-07-08T21:16:54.000","lastModified":"2026-07-10T19:10:59.333"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-58494","identifiers":["CVE-2026-58494"]},"retained":false,"historicalAffected":[]}],"coverage":[]}