{"schema":"threatline.record/2","record":{"id":"CVE-2026-115385","aliases":["GHSA-mr2v-56j5-cmfc"],"summary":"Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 Host Panic via WASIp3 Timestamps","details":"Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a denial of service vulnerability in the wasmtime-wasi WASIp3 implementation that allows guests to abort the Unix host process. Guests with mutable preopened directory access can call set-times or set-times-at with negative seconds timestamps before the epoch, triggering an assertion failure that crashes the host.","categories":["Unclassified"],"product":"wasmtime","vendor":"bytecodealliance","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-115385","source_modified_at":"2026-10-22T19:13:52.184Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"wasmtime","vendor":"bytecodealliance","versions":[{"version":"46.0.0","status":"affected","versionType":"semver","lessThan":"48.0.4"},{"version":"48.0.4","status":"unaffected","versionType":"semver"},{"version":"49.0.0","status":"affected","versionType":"semver","lessThan":"49.0.2"},{"version":"49.0.2","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-115385","source_modified_at":"2026-10-22T19:13:52.184Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"wasmtime","ecosystem":null},"version":"48.0.4","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-115385","source_modified_at":"2026-10-22T19:13:52.184Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"wasmtime","ecosystem":null},"version":"49.0.2","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00112,"percentile":0.01328,"score_date":"2026-10-23"},"published_at":"2026-10-22T19:13:52.184Z","modified_at":"2026-10-22T19:13:52.184Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-115385","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T19:13:52.184Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-115385","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-mr2v-56j5-cmfc","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.4-and-49.0.0-before-49.0.2-host-panic-via-wasip3-timestamps","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-22T19:13:52.184Z","content_hash":"a1f28b0750a5b822a628022cc68d0d9b00bc596efdaeb63d396622df18a9faaa"}}