{"affected":[{"database_specific":{"categories":[],"cvss":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","informational":null,"source":"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0375.json"},"ecosystem_specific":{"affected_functions":null,"affects":{"arch":[],"functions":[],"os":[]}},"package":{"ecosystem":"crates.io","name":"wasmtime-wasi-http","purl":"pkg:cargo/wasmtime-wasi-http"},"ranges":[{"events":[{"introduced":"46.0.0"},{"fixed":"48.0.7"},{"introduced":"49.0.0"},{"fixed":"49.0.4"}],"type":"SEMVER"}]}],"aliases":["CVE-2026-121439","GHSA-9prg-84vf-g5fc"],"database_specific":{"license":"CC0-1.0"},"details":"This is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-9prg-84vf-g5fc\nFor more information see the GitHub-hosted security advisory.","id":"RUSTSEC-2026-0375","modified":"2026-11-04T02:55:43.025714915Z","published":"2026-10-19T12:00:00Z","references":[{"type":"PACKAGE","url":"https://crates.io/crates/wasmtime-wasi-http"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2026-0375.html"},{"type":"WEB","url":"https://github.com/bytecodealliance/wasmtime/pull/14822"}],"schema_version":"1.9.0","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","type":"CVSS_V3"}],"summary":"`wasi-http` p3: Guests can set incorrect content-length for spliced response bodies"}