CVE-2026-115382
Medium · 4.8CVSS
4.8
EPSS
0.3%
Published
Oct 22, 2026
CISA due date
—
The record
Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a denial-of-service vulnerability in its wasi:http implementation that allows guests to panic the host. Guests can specify a zero between-bytes-timeout request option, which is forwarded directly to a Tokio API that panics, crashing the host embedding.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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Related vulnerabilities
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