MEDIUM 5.9 NVD
CVE-2026-115382
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 th
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.
References
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-w4qr-p94g-mjhv
- https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.4-and-49.0.0-before-49.0.
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-10-22 via NVD.
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