{"id":"CVE-2026-119138","aliases":["RUSTSEC-2026-0361","GHSA-hmwq-g22x-qjw5"],"title":"Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Panic After Trap","titleSource":"VulnCheck","descriptionSource":"OSV","description":"This is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hmwq-g22x-qjw5\nFor more information see the GitHub-hosted security advisory.","severity":"medium","score":5.9,"published":"2026-10-14T12:00:00.000Z","modified":"2026-10-30T02:55:50.632Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"crates.io","name":"wasmtime","sources":[{"name":"OSV · RUSTSEC-2026-0361","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0361"}],"ranges":[{"events":[{"introduced":"46.0.0"},{"fixed":"48.0.6"},{"introduced":"49.0.0"},{"fixed":"49.0.3"}],"type":"SEMVER"}],"versions":[],"fixed":["48.0.6","49.0.3"]}],"sourceAffected":[],"references":["https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hmwq-g22x-qjw5","https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.6-and-49.0.0-before-49.0.3-panic-after-trap","https://crates.io/crates/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0361.html","https://github.com/bytecodealliance/wasmtime/pull/14736"],"sources":[{"name":"CVE","id":"CVE-2026-119138","modified":"2026-10-29T20:13:38.106Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119138"},{"name":"OSV","id":"RUSTSEC-2026-0361","modified":"2026-10-30T02:55:50.632673294Z","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0361"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":5.9},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","score":4.8},{"source":"OSV","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":5.9}],"cve":{"records":[{"id":"CVE-2026-119138","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-29T14:28:41.594Z","published":"2026-10-29T15:58:18.284Z","modified":"2026-10-29T20:13:38.106Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-29T15:58:18.284Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T20:13:38.106Z"}],"references":[{"url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hmwq-g22x-qjw5","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.6-and-49.0.0-before-49.0.3-panic-after-trap","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-617","description":"Reachable Assertion","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:*:*:*","versionStartIncluding":"46.0.0","versionEndExcluding":"48.0.6"},{"vulnerable":true,"criteria":"cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:*:*:*","versionStartIncluding":"49.0.0","versionEndExcluding":"49.0.3"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T20:13:26.495539Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"products":[{"vendor":"bytecodealliance","name":"wasmtime","platforms":[],"versions":[{"version":"46.0.0","status":"affected","lessThan":"48.0.6","versionType":"semver"},{"version":"48.0.6","status":"unaffected","versionType":"semver"},{"version":"49.0.0","status":"affected","lessThan":"49.0.3","versionType":"semver"},{"version":"49.0.3","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:cargo/wasmtime","packageIdentity":{"ecosystem":"crates.io","name":"wasmtime"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-119138"}],"remediation":[],"observedAt":"2026-10-30T03:26:10.536Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T11:55:30.958Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T20:30:34.680Z","attemptedAt":"2026-10-29T20:30:34.680Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T20:30:33.476Z","attemptedAt":"2026-10-29T20:30:33.476Z"},{"source":"EUVD","status":"refresh-failed","attemptedAt":"2026-10-29T20:30:34.680Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-29T20:30:34.680Z","attemptedAt":"2026-10-29T20:30:34.680Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-5vwq-v85g-fcqv","url":"https://github.com/advisories/GHSA-5vwq-v85g-fcqv","modified":"2026-10-29T18:31:01Z","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","checkedAt":"2026-10-29T20:30:33.476Z"},{"source":"NVD","id":"CVE-2026-119138","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119138","modified":"2026-10-29T16:18:07.330","score":5.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-29T20:30:34.680Z"},{"source":"NVD","id":"CVE-2026-119138","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119138","modified":"2026-10-29T16:18:07.330","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","checkedAt":"2026-10-29T20:30:34.680Z"}],"aiSummary":{"text":"Wasmtime versions 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 have a reachable assertion weakness, which may cause a panic after a trap. The vulnerability requires access to affected versions. The impact is not fully stated.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:16:47.002Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-119138"},{"name":"OSV","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0361"}]}}