Leon AI Agent
by leon-ai🧠Leon is your open-source personal assistant.
Leon is an open-source ai agent by leon-ai, written mainly in TypeScript, with 17,627 GitHub stars and the MIT license. Its code was last updated Oct 31, 2026.
Scan summary: scanned Nov 5, 2026 at commit 69b7721. Seen able to run shell commands, run dynamic code, connect to the internet. 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
69b7721 · Nov 5, 2026 ScannedStatic, secrets and dependency checks completed with no critical findings.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.Static code scanwarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
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 audit83 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.
Flagged. This check found an issue. See the findings below.BuildfailFlagged. This check found an issue. See the findings below.
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.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.Network egresswarnWarning. 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.Reproducible (×3)n/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Findings (34)
- highHigh. Something risky that needs a close look before you install.code-execution issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
bridges/python/src/sdk/base_tool.py:459 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Deserializes data with pickle/marshal, which can execute code.
tcp_server/src/lib/tts/text/english.py:160 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.@modelcontextprotocol/server@2.0.0: 4 known vulnerabilitiesGHSA-46jr-4wx8-v453, GHSA-f897-62hf-6gxq, GHSA-jm63-cq47-j5jp, GHSA-rvq5-wwqv-78pq
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.brace-expansion@5.0.5: 7 known vulnerabilitiesGHSA-3jxr-9vmj-r5cp, GHSA-6j4f-fj2g-mc7p, GHSA-jxxr-4gwj-5jf2, GHSA-mh99-v99m-4gvg, GHSA-q2hr-2g5m-vwhr +2 more
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.browserslist@4.28.6: 2 known vulnerabilitiesGHSA-73wf-gq98-2v4g, GHSA-c83g-rgw3-j3cx
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.engine.io@6.6.8: 1 known vulnerabilityGHSA-2gc4-cqfq-p2gv
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.fast-uri@3.1.0: 12 known vulnerabilitiesGHSA-333x-w4r6-6crp, GHSA-4c8g-83qw-93j6, GHSA-7p8r-x3mc-p8w7, GHSA-f65p-4m7j-42xc, GHSA-hrr3-gc8f-f4qj +7 more
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.follow-redirects@1.16.0: 3 known vulnerabilitiesGHSA-8r9p-f939-6h3c, GHSA-mrwp-f3q8-3g9p, GHSA-q3jh-wrc6-jgq8
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.immutable@5.1.6: 2 known vulnerabilitiesGHSA-v56q-mh7h-f735, GHSA-xvcm-6775-5m9r
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.lodash@4.17.21: 2 known vulnerabilitiesGHSA-r5fr-rjxr-66jc, GHSA-xxjr-mmjv-4gpg
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.nanoid@5.1.6: 2 known vulnerabilitiesGHSA-28wg-ghj8-5hjv, GHSA-xwg4-73v4-xw9w
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.socket.io-parser@4.2.4: 2 known vulnerabilitiesGHSA-2m8v-j782-fhvr, GHSA-677m-j7p3-52f9
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.source-map-js@1.2.1: 1 known vulnerabilityGHSA-68fv-2mgg-jv7q
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.undici@7.29.0: 18 known vulnerabilitiesGHSA-2gqq-gqf2-x968, GHSA-2jfj-6hjv-fm6j, GHSA-2m5v-pch6-74hx, GHSA-3wwx-pv8p-q78v, GHSA-3xpg-4rpp-hhhm +13 more
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.ws@8.17.1: 2 known vulnerabilitiesGHSA-58qx-3vcg-4xpx, GHSA-96hv-2xvq-fx4p
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.ws@8.20.1: 1 known vulnerabilityGHSA-96hv-2xvq-fx4p
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.zod@4.2.1: 1 known vulnerabilityGHSA-mrhx-c7xc-m3w5
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Install or build failed in a clean environmentoject requires Node.js >=24.0.0. Your current Node.js is v22.23.4 help: If you want to bypass this version check, set "runtimeOnFail" to "warn" or "ignore" (e.g. via --runtime-on-fail=ignore), or set "devEngines.runtime.onFail"/"engines.runtime.onFail" to "warn" or "ignore"
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Install contacted hosts other than package registries34.6.16.104.in-addr.arpa
- lowLow. Minor, or common in normal tools. Shown for information.@humanfs/node@0.16.7: 1 known vulnerabilityGHSA-p498-v437-472g
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.baseline-browser-mapping@2.10.43: 1 known vulnerabilityGHSA-w5vr-8v7q-w6rv
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.esbuild@0.27.4: 1 known vulnerabilityGHSA-g7r4-m6w7-qqqr
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.fast-uri@4.2.1: 4 known vulnerabilitiesGHSA-333x-w4r6-6crp, GHSA-w74x-v6f9-j3xg, GHSA-wjr9-j795-jxcr, GHSA-xhq7-xmqj-769h
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.glob@13.0.6: 1 known vulnerabilityGHSA-3g3m-2fjr-6pw4
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.micromatch@4.0.5: 1 known vulnerabilityGHSA-952p-6rrq-rcjv
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.minimatch@10.2.5: 1 known vulnerabilityGHSA-g3hv-75wg-m249
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.yaml@2.3.4: 1 known vulnerabilityGHSA-48c2-rrv3-qjmp
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.package.json has a preinstall scriptnode scripts/setup/preinstall.js
package.json - lowLow. Minor, or common in normal tools. Shown for information.package.json has a postinstall scriptnode scripts/setup/run-setup.js
package.json - lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
Network activity
During install
34.6.16.104.in-addr.arparegistry.npmjs.org
While running
Not run — the code wasn't started in this scan
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|---|---|---|---|---|
| Leon (this page) leon-ai | 18k | MIT | Oct 31, 2026 | Scanned, no flagged issues |
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