RUSTSEC-2026-0377Low· 3.7▾ Sunlit`wasi-http` p3: forwarded trailers aren't checked against `is_forbidden_header` hook
▾ Sunlit zone — Low / medium · no exploitation signal
impact 20.4 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-jxcf-8qw5-5c33 For more information see the GitHub-hosted security advisory.
wasmtime-wasi-http >= 49.0.0, < 49.0.4Upgrade to a patched release:
wasmtime-wasi-http 49.0.4Connected by shared product, vendor, weakness, or advisory.
RUSTSEC-2026-0376Low· 3.7`wasi-http`: Guests can add conflicting content lengths to messages
RUSTSEC-2026-0375Medium· 5.3`wasi-http` p3: Guests can set incorrect content-length for spliced response bodies
RUSTSEC-2026-0350NoneGuests can send absolute-form HTTP requests to different hosts
RUSTSEC-2026-0351Medium· 5.3`wasi-http`: Request with long url before query parameter crashes host
RUSTSEC-2026-0320NoneWasmtime wasi:http implementation panics with a zero timeout supplied
RUSTSEC-2026-0313Medium· 6.2Outgoing HTTP body write allows guest-driven host memory exhaustion