Low severity3.7NVD Advisory· Published Nov 3, 2026· Updated Nov 3, 2026
CVE-2026-121441
CVE-2026-121441
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <36.0.19, 37.0.0 <48.0.7, 49.0.0 <49.0.4
Patches
Vulnerability mechanics
References
2News mentions
0No linked articles in our index yet.