CVE-2026-58494Published

Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination

cve-program · CVE-2026-58494

Published

wasmtime

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "bytecodealliance",
                    "product": "wasmtime",
                    "versions": [
                        {
                            "version": "< 24.0.11",
                            "status": "affected"
                        },
                        {
                            "version": ">= 25.0.0, < 36.0.12",
                            "status": "affected"
                        },
                        {
                            "version": ">= 37.0.0, < 45.0.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 46.0.0, < 46.0.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-42393

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jul 8, 2026, 8:22:16 PM

dateUpdated: Jul 9, 2026, 1:28:57 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-58494

Published

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.

Source analysis status: Deferred

Weakness classifications: CWE-281 · CWE-863

Original publisher date fields

published: 2026-07-08T21:16:54.000

lastModified: 2026-10-25T17:10:00.197

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-4ch3-9j33-3pmj

Published

wasmtime-wasi

crates.io

SEMVER · introduced 0 → fixed 24.0.11

wasmtime-wasi

crates.io

SEMVER · introduced 25.0.0 → fixed 36.0.12

wasmtime-wasi

crates.io

SEMVER · introduced 37.0.0 → fixed 45.0.3

wasmtime-wasi

crates.io

SEMVER · introduced 46.0.0 → fixed 46.0.1

Original source record · Cite this exact observation · Complete original publisher JSON

osv · RUSTSEC-2026-0188

Published

wasmtime-wasi

crates.io

SEMVER · introduced 0.0.0-0 → fixed 24.0.11 → introduced 25.0.0 → fixed 36.0.12 → introduced 37.0.0 → fixed 45.0.3 → introduced 46.0.0 → fixed 46.0.1

Original source record · Cite this exact observation · Complete original publisher JSON