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CVE-2026-119131 — Vulnerability intelligence

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Published:

CVSS
6.9
CISA KEV
Not listed; not proof of no exploitation

Original source text (not a translation)

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.

Sources