{"id":"CVE-2025-32014","aliases":["CLSA-2026-1784943105","EUVD-2025-10037","GHSA-f7f6-9jq7-3rqj"],"status":"published","title":"estree-util-value-to-estree allows prototype pollution in generated ESTree","description":"estree-util-value-to-estree converts a JavaScript value to an ESTree expression. When generating an ESTree from a value with a property named __proto__, valueToEstree would generate an object that specifies a prototype instead. This vulnerability is fixed in 3.3.3.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00456,"percentile":0.39874,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2025-04-07T14:56:40Z","modified":"2026-10-28T02:30:49Z","fixes":[{"ecosystem":"npm","package":"estree-util-value-to-estree","fixed_in":["3.3.3"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:npm","package":"estree-util-value-to-estree","fixed_in":["1.3.0-tuxcare.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"estree-util-value-to-estree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.3"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"estree-util-value-to-estree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3.0-tuxcare.0"},{"fixed":"1.3.0-tuxcare.1"}]}],"versions":["1.3.0"]},{"source":"osv","ecosystem":"npm","package":"estree-util-value-to-estree","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.3.3"}]}]}],"products":[{"vendor":"remcohaszing","product":"estree-util-value-to-estree"}],"references":[{"url":"https://github.com/remcohaszing/estree-util-value-to-estree/security/advisories/GHSA-f7f6-9jq7-3rqj","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/remcohaszing/estree-util-value-to-estree/commit/d0c394fbc64bc55937ffe4e162b81f15ba506e55","tags":["x_refsource_MISC","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-32014","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f7f6-9jq7-3rqj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/32xxx/CVE-2025-32014.json","tags":["advisory"]},{"url":"https://github.com/remcohaszing/estree-util-value-to-estree","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-32014","title":"estree-util-value-to-estree allows prototype pollution in generated ESTree","description":"estree-util-value-to-estree converts a JavaScript value to an ESTree expression. When generating an ESTree from a value with a property named __proto__, valueToEstree would generate an object that specifies a prototype instead. This vulnerability is fixed in 3.3.3.","status":"published","published":"2025-04-07T14:56:40.413Z","modified":"2025-04-07T15:45:04.415Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:32:46.109993Z"}],"euvd":[{"id":"EUVD-2025-10037","description":"estree-util-value-to-estree converts a JavaScript value to an ESTree expression. When generating an ESTree from a value with a property named __proto__, valueToEstree would generate an object that specifies a prototype instead. This vulnerability is fixed in 3.3.3.","status":"published","published":"2025-04-07T14:56:40Z","modified":"2025-04-07T15:45:04Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:52:41.59184Z"}],"ghsa":[{"id":"GHSA-f7f6-9jq7-3rqj","title":"estree-util-value-to-estree allows prototype pollution in generated ESTree","description":"### Impact\nWhen generating an ESTree from a value with a property named `__proto__`, `valueToEstree` would generate an object that specifies a prototype instead.\n\nExample:\n\n```js\nimport { generate } from 'astring'\nimport { valueToEstree } from 'estree-util-value-to-estree'\n\nconst estree = valueToEstree({\n  ['__proto__']: {}\n})\nconst code = generate(estree)\nconsole.log(code)\n```\n\nOutput:\n\n```js\n{\n  \"__proto__\": {}\n}\n```\n\n### Patches\nThis was fixed in version [3.3.3](https://github.com/remcohaszing/estree-util-value-to-estree/releases/tag/v3.3.3).\n\n### Workarounds\nIf you control the input, don’t specify a property named `__proto__`. If you don’t control the output, strip any properties named `__proto__` before passing it to `valueToEstree`.","status":"published","published":"2025-04-07T19:09:48Z","modified":"2025-04-07T19:09:53Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:38:38.344711Z"}],"nvd":[{"id":"CVE-2025-32014","description":"estree-util-value-to-estree converts a JavaScript value to an ESTree expression. When generating an ESTree from a value with a property named __proto__, valueToEstree would generate an object that specifies a prototype instead. This vulnerability is fixed in 3.3.3.","status":"published","published":"2025-04-07T15:15:44.593Z","modified":"2026-06-17T09:11:19.35Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:10:59.48027Z"}],"osv":[{"id":"CVE-2025-32014","title":"estree-util-value-to-estree allows prototype pollution in generated ESTree","description":"estree-util-value-to-estree converts a JavaScript value to an ESTree expression. When generating an ESTree from a value with a property named __proto__, valueToEstree would generate an object that specifies a prototype instead. This vulnerability is fixed in 3.3.3.","status":"published","published":"2025-04-07T14:56:40.413Z","modified":"2026-10-28T02:30:49.99204603Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:44:48.02508Z"},{"id":"GHSA-f7f6-9jq7-3rqj","title":"estree-util-value-to-estree allows prototype pollution in generated ESTree","description":"### Impact\nWhen generating an ESTree from a value with a property named `__proto__`, `valueToEstree` would generate an object that specifies a prototype instead.\n\nExample:\n\n```js\nimport { generate } from 'astring'\nimport { valueToEstree } from 'estree-util-value-to-estree'\n\nconst estree = valueToEstree({\n  ['__proto__']: {}\n})\nconst code = generate(estree)\nconsole.log(code)\n```\n\nOutput:\n\n```js\n{\n  \"__proto__\": {}\n}\n```\n\n### Patches\nThis was fixed in version [3.3.3](https://github.com/remcohaszing/estree-util-value-to-estree/releases/tag/v3.3.3).\n\n### Workarounds\nIf you control the input, don’t specify a property named `__proto__`. If you don’t control the output, strip any properties named `__proto__` before passing it to `valueToEstree`.","status":"published","published":"2025-04-07T19:09:48Z","modified":"2025-04-07T19:57:11.31155Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:46.006631Z"},{"id":"CLSA-2026-1784943105","title":"TuxCare security update for estree-util-value-to-estree (1 CVE)","description":"TuxCare rebuilt estree-util-value-to-estree to address 1 CVE. Fixed in 1.3.0-tuxcare.1.","status":"published","published":"2026-08-04T14:52:49Z","modified":"2026-10-15T09:47:35.844595123Z","updated_at":"2026-11-02T15:43:46.482572Z"}]}}