{"id":"CVE-2026-115382","published":"2026-10-22T19:17:45.227","lastModified":"2026-10-23T15:17:29.057","description":"Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a denial-of-service vulnerability in its wasi:http implementation that allows guests to panic the host. Guests can specify a zero between-bytes-timeout request option, which is forwarded directly to a Tokio API that panics, crashing the host embedding.","cvssScore":4.8,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-1284"],"vendors":[],"products":[],"references":[{"url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-w4qr-p94g-mjhv","tags":[]},{"url":"https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.4-and-49.0.0-before-49.0.2-wasi-http-zero-timeout-panic-dos","tags":[]}],"exploitRefs":[{"url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-w4qr-p94g-mjhv","tags":[]}],"hasPoc":true,"ai":null}