CVE-2026-119131 | BDVDB-2026-397887 Detail

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.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-10-29Record published in the CVE List.
2. Version 22026-11-04Most recent update recorded in the CVE List.