wasmtime-wasi-http
crates.io7 known CVEs affecting this package
Aggregated from OSV, GitHub Security Advisories, NVD, and vendor advisories. Each CVE links to its full detail page with vendor advisories, patches, fixed versions, and remediation guidance.
CVEs affecting wasmtime-wasi-httppage 1 of 1
- CVE-2026-115382MEDIUMCVSS 4.8EG 4.8fixed in 48.0.4 or 49.0.2, by version range2026-10-22
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 i…
- CVE-2026-115388MEDIUMCVSS 6.2EG 6.2fixed in 36.0.16, 48.0.3 or 49.0.1, by version range2026-10-22
wasmtime-wasi-http in Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 does not enforce the wasi:io/streams check-write allowance for WASIp2 outgoing HTTP bodies, so oversized writes succeed instead of trapping. A ma…
- CVE-2026-119130LOWCVSS 2.6EG 2.6fixed in 36.0.18, 48.0.6 or 49.0.3, by version range2026-10-29
Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 does not verify that set-path-with-query values in wasmtime-wasi-http are paths, so absolute-form URLs are written verbatim as the HTTP/1.1 request target while the co…
- CVE-2026-119131MEDIUMCVSS 5.3EG 5.3fixed in 48.0.6 or 49.0.3, by version range2026-10-29
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability in wasmtime-wasi-http that lets guests crash the host by sending long request URLs. Guests can use set-path-with-query with a '?' after byte …
- CVE-2026-121439MEDIUMCVSS 5.3EG 5.3fixed in 48.0.7 or 49.0.4, by version range2026-11-03
Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 contains a response splitting vulnerability in wasi-http p3 that allows guests to set unvalidated content-length headers. Malicious wasip3 guests can splice an existing body into a new…
- CVE-2026-121440LOWCVSS 3.7EG 3.7fixed in 48.0.7 or 49.0.4, by version range2026-11-03
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 embedde…
- CVE-2026-121441LOWCVSS 3.7EG 3.7fixed in 36.0.19, 48.0.7 or 49.0.4, by version range2026-11-03
Wasmtime before 36.0.19, 37.0.0 before 48.0.7, and 49.0.0 before 49.0.4 contains a request smuggling vulnerability in wasi-http that allows guests to set multiple conflicting content-length headers. Malicious guests can make the host send …
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