Medium severity5.3NVD Advisory· Published Oct 29, 2026· Updated Oct 29, 2026
CVE-2026-119131
CVE-2026-119131
Description
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 65535, overflowing a u16 index in the http crate and triggering a host panic.
Affected products
1- Range: <48.0.6, <49.0.3
Patches
Vulnerability mechanics
References
2News mentions
0No linked articles in our index yet.