CVE-2026-119135
Medium · 4.8CVSS
4.8
EPSS
0.2%
Published
Oct 29, 2026
CISA due date
—
The record
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 panics when the host reads a component model stream as a different Rust item type than it was created with, because the host-to-host read path asserts matching TypeIds instead of returning an error. Guest code can return a host-created StreamReader<U> that the embedder reads as StreamReader<T>, where both types map to the same component model type, crashing the embedding process.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-119339 Tesseract is an open source OCR engine. CWE-617
- CVE-2026-119139 Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a leftover assertion in… CWE-617
- CVE-2026-119142 Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service… CWE-617
- CVE-2026-119138 Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service… CWE-617
- CVE-2026-119132 Wasmtime from 49.0.0 before 49.0.3 contains a denial-of-service vulnerability that allows… CWE-617
- CVE-2026-116467 A security flaw has been discovered in ggml-org llama.cpp up to 0.7.0. CWE-617
- CVE-2026-115914 vLLM is an inference and serving engine for large language models. CWE-617
- CVE-2026-102483 Reachable exit in NTPsec ntpd 1.1.4 through 1.2.5 allows a remote attacker to terminate… CWE-617