Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 fails to check forwarded trailers against the WasiHttpHooks::is_forbidden_header hook in…
Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 fails to check forwarded trailers against the WasiHttpHooks::is_forbidden_header hook in wasi-http p3. WASIp3 guests can forward a request or response body so its trailers skip embedder-customized forbidden header filtering, undermining header restrictions the embedder intended.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Bytecodealliance
- Product
- wasmtime
- CVSS v3.1
- 3.7 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weakness
- CWE-424
- NVD status
- Deferred
Why it ranks 6 (Routine)
- No intrinsic risk signals yet; rank reflects source class and recency only.
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.