GHSA-9ccp-mgf6-9v48MediumCVSS 3.7
Wasmtime before 36.0.19, 37.0.0 before 48.0.7, and 49.0.0 before 49.0.4 contains a request...
🔗 CVE IDs covered (1)
📋 Description
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 HTTP requests with conflicting content-length values to smuggle requests through servers or intermediaries that do not reject them.
🔗 References (4)
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-r8xh-cgf7-392j
- https://nvd.nist.gov/vuln/detail/CVE-2026-121441
- https://www.vulncheck.com/advisories/wasmtime-before-36.0.19-37.0.0-before-48.0.7-and-49.0.0-before-49.0.4-wasi-http-request-smuggling
- https://github.com/advisories/GHSA-9ccp-mgf6-9v48