Wassette MCP Server
by microsoftWassette: A security-oriented runtime that runs WebAssembly Components via MCP
Wassette is an open-source mcp server by microsoft, written mainly in Rust, with 972 GitHub stars and the MIT license. Its code was last updated Oct 27, 2026.
Scan summary: scanned Nov 5, 2026 at commit ee84fd2. No capabilities flagged by our checks. Scan policy
ScannedScanned. The automated checks below ran on the commit shown. Read each line for what was and was not covered.
Full scan at
ee84fd2 · Nov 5, 2026 ScannedStatic, secrets and dependency checks completed with no critical findings.
Passed. This check ran and found nothing it flags.Static code scanpassPassed. This check ran and found nothing it flags.
Passed. This check ran and found nothing it flags.Secrets scanpassPassed. This check ran and found nothing it flags.
Flagged. This check found an issue. See the findings below.Dependency audit43 known vulnerabilitiesfailFlagged. This check found an issue. See the findings below.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.ManifestnonewarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Buildn/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Boot & handshaken/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Network egressn/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Reproducible (×3)n/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Findings (23)
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / exec).
examples/eval-py/main.py:24 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / exec).
examples/eval-py/main.py:32 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
docs/deployment/operations.md:90 - lowLow. Minor, or common in normal tools. Shown for information.astral-tokio-tar@0.6.4: 1 known vulnerabilityRUSTSEC-2026-0440
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.libz-sys@1.1.29: 1 known vulnerabilityRUSTSEC-2026-0418
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.rustls-webpki@0.103.15: 1 known vulnerabilityRUSTSEC-2026-0382
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.unsafe-libyaml@0.2.11: 1 known vulnerabilityRUSTSEC-2024-0449
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.wasmtime-wasi@48.0.6: 1 known vulnerabilityRUSTSEC-2026-0420
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.wasmtime-wasi-http@48.0.6: 4 known vulnerabilitiesRUSTSEC-2026-0375, RUSTSEC-2026-0376, RUSTSEC-2026-0377, RUSTSEC-2026-0421
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.webpki-root-certs@1.0.9: 1 known vulnerabilityRUSTSEC-2026-0383
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.webpki-roots@1.0.9: 1 known vulnerabilityRUSTSEC-2026-0381
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.zstd@0.13.3: 1 known vulnerabilityRUSTSEC-2026-0391
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.zstd-safe@7.2.4: 12 known vulnerabilitiesRUSTSEC-2026-0395, RUSTSEC-2026-0396, RUSTSEC-2026-0397, RUSTSEC-2026-0398, RUSTSEC-2026-0399 +7 more
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.zstd-sys@2.0.16+zstd.1.5.7: 1 known vulnerabilityRUSTSEC-2026-0410
Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.anyhow@1.0.100: 1 known vulnerabilityRUSTSEC-2026-0190
examples/brave-search-rs/Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.pin-utils@0.1.0: 2 known vulnerabilitiesRUSTSEC-2026-0441, RUSTSEC-2026-0441
examples/brave-search-rs/Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.smartstring@1.0.1: 2 known vulnerabilitiesRUSTSEC-2026-0249, RUSTSEC-2026-0249
examples/brave-search-rs/Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.anyhow@1.0.95: 2 known vulnerabilitiesRUSTSEC-2026-0190, RUSTSEC-2026-0190
examples/fetch-rs/Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.fxhash@0.2.1: 1 known vulnerabilityRUSTSEC-2025-0057
examples/fetch-rs/Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.filesystem@0.1.0: 1 known vulnerabilityRUSTSEC-2024-0015
examples/filesystem-rs/Cargo.lock - lowLow. Minor, or common in normal tools. Shown for information.fast-uri@3.1.8: 4 known vulnerabilitiesGHSA-333x-w4r6-6crp, GHSA-w74x-v6f9-j3xg, GHSA-wjr9-j795-jxcr, GHSA-xhq7-xmqj-769h
tests/mcp-inspector/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
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