{"id":"CVE-2026-77414","revision":"207b5939056f4e0988cf92664e7bd5a1","records":[{"revision":"207b5939056f4e0988cf92664e7bd5a1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-77414","aliases":[],"title":"JSONata: Arbitrary Code Execution via crafted JSONata expressions","description":"JSONata is a JSON query and transformation language. Prior to 1.8.8 and 2.2.1, the src/jsonata.js environment.lookup function used a bypassable hasOwnProperty check. Crafted expressions could use $hasOwnProperty, $spread, $string, prototype access, and $constructor to reach the object prototype and invoke process.getBuiltinModule with child_process, executing arbitrary code with the privileges of the host process. This issue is fixed in versions 1.8.8 and 2.2.1.","state":0,"publishedAt":"2026-08-21T20:51:43.5+00:00","modifiedAt":"2026-08-26T17:42:09.319+00:00","affected":[{"ecosystem":"Vendor product","name":"jsonata","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"jsonata-js\",\n                    \"product\": \"jsonata\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.8.8\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 2.0.0, < 2.2.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":9.3,"severity":"CRITICAL"}],"references":["https://github.com/jsonata-js/jsonata/security/advisories/GHSA-2943-5xfg-gq5f","https://github.com/jsonata-js/jsonata/pull/799","https://github.com/jsonata-js/jsonata/commit/59e25144fc3b7125f6befd71b8a6e14e1fa610d2","https://github.com/jsonata-js/jsonata/releases/tag/v1.8.8","https://github.com/jsonata-js/jsonata/releases/tag/v2.2.1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-77414","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-77414","identifiers":["CVE-2026-77414"]},"retained":false,"historicalAffected":[]}],"coverage":[]}