{"id":"CVE-2026-115382","aliases":["RUSTSEC-2026-0320","GHSA-w4qr-p94g-mjhv"],"title":"Wasmtime wasi:http implementation panics with a zero timeout supplied","summary":"Wasmtime wasi:http implementation panics with a zero timeout supplied","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","vendor":"wasmtime-wasi-http","product":"wasmtime-wasi-http","ecosystem":"rust","affected":["wasmtime-wasi-http >= 49.0.0, < 49.0.2"],"patched":["wasmtime-wasi-http 49.0.2"],"published":"2026-10-02","updated":"2026-10-24","sourceUpdated":"2026-10-24T06:25:41Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0320","references":[{"url":"https://crates.io/crates/wasmtime-wasi-http"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0320.html"},{"url":"https://github.com/bytecodealliance/wasmtime/pull/14483"},{"url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-w4qr-p94g-mjhv","label":"GitHub Security Advisory (GHSA-w4qr-p94g-mjhv)"},{"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","label":"VulnCheck Advisory: Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 wasi:http Zero Timeout Panic DoS"}],"tags":["osv","rust","cve.org"],"epss":0.00276,"epssPercentile":0.19941,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-23T14:48:28.714813Z"},"cvssSource":"cna","cwe":["CWE-1284"],"ingestedAt":"2026-10-22T22:00:50.404Z","slug":"CVE-2026-115382","body":"## Overview\n\nThis is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-w4qr-p94g-mjhv\nFor more information see the GitHub-hosted security advisory.\n\n## Affected packages\n\n- `wasmtime-wasi-http >= 49.0.0, < 49.0.2`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `wasmtime-wasi-http 49.0.2`","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}