{"answers":{"affected":"2 open source packages ship an affected version, including vm2.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-47698 exists.","fix":"Upgrade vm2 to 3.11.6 or later.","what":"CVE-2026-47698 is a critical code injection vulnerability in patriksimek vm2, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-47698 and fix it if it is affected.\n\nWhat it is: CVE-2026-47698 is a critical code injection vulnerability in patriksimek vm2, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-47698 exists.\n\nAffected packages and fixed versions:\n- vm2 (npm): affected all versions; fixed in 3.11.6\n- vm2 (npm): affected all versions; fixed in 3.11.6\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-47698/ (Markdown: https://insights.sbomify.com/CVE-2026-47698/index.md)","id":"CVE-2026-47698","markdown":"https://insights.sbomify.com/CVE-2026-47698/index.md","name":"CVE-2026-47698","record":{"aliases":["CLEANSTART-2026-SV74760","ECHO-9f22-2489-f01b","GHSA-cfcw-xp6x-25gj","MINI-fvvm-j7cx-w636","ROOT-APP-NPM-CVE-2026-47698"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"Node.js sandbox library","requires_auth":"none","summary":"Attackers can escape the vm2 sandbox to execute arbitrary host commands via prototype chain manipulation. Developers using vm2 for isolation must upgrade.","user_interaction":"not_required","vuln_class":"code_injection"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":9.8,"severity":"critical","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-913","name":"Improper Control of Dynamically-Managed Code Resources"}],"description":"vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, lib/bridge.js and lib/setup-sandbox.js fail to block stacked indirection through Function.prototype.call around dangerous host prototype getter and setter mutators, allowing sandbox code to sever a host intrinsic's prototype chain and reach e.constructor.constructor for arbitrary host command execution. This issue is fixed in version 3.11.6.","ecosystems":["npm"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"vm2: Sandbox Breakout Using Dangerous Host Proto Mutators","id":"CVE-2026-47698","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"npm","product":null,"products":[],"type":"code_injection","year":"2026"},"n_packages":2,"n_references":3,"next":{"headline":"Path traversal in guest-components","id":"CVE-2026-47699"},"packages":[{"ecosystem":"npm","fixed":["3.11.6"],"introduced":["0"],"last_affected":[],"package":"vm2","purl":null,"source":"GHSA-cfcw-xp6x-25gj"},{"ecosystem":"npm","fixed":["3.11.6"],"introduced":["0"],"last_affected":[],"package":"vm2","purl":"pkg:npm/vm2","source":"GHSA-cfcw-xp6x-25gj"}],"prev":{"headline":"Missing authorization in shelf.nu","id":"CVE-2026-47697"},"products":["vm2"],"published":"2026-08-17","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"poc","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-08-19","vendors":["patriksimek"]},"summary":"Attackers can escape the vm2 sandbox to execute arbitrary host commands via prototype chain manipulation. Developers using vm2 for isolation must upgrade.","url":"https://insights.sbomify.com/CVE-2026-47698/"}