{"id":"GHSA-hx9q-6w63-j58v","summary":"orjson does not limit recursion for deeply nested JSON documents","details":"The orjson.dumps function in orjson before 3.11.6 does not limit recursion for deeply nested JSON documents.","aliases":["CVE-2025-67221","PYSEC-2026-107"],"modified":"2026-09-10T03:50:33.258377926Z","published":"2026-01-22T18:30:33Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-01-22T18:55:43Z","nvd_published_at":"2026-01-22T17:16:01Z","cwe_ids":["CWE-770"],"severity":"HIGH"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-67221"},{"type":"WEB","url":"https://github.com/ijl/orjson/issues/620"},{"type":"WEB","url":"https://github.com/kpatsakis/CVE-2025-67221/issues/1"},{"type":"WEB","url":"https://github.com/ijl/orjson/commit/62bb185b70785ded49c79c26f8c9781f1e6fe370"},{"type":"PACKAGE","url":"https://github.com/ijl/orjson"},{"type":"WEB","url":"https://github.com/kpatsakis/orjson_vulnerability"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/orjson/PYSEC-2026-107.yaml"}],"affected":[{"package":{"name":"orjson","ecosystem":"PyPI","purl":"pkg:pypi/orjson"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.6"}]}],"versions":["1.0.0","1.0.1","1.1.0","1.2.0","1.2.1","1.3.0","1.3.1","2.0.0","2.0.1","2.0.10","2.0.11","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","2.0.9","2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","2.2.0","2.2.1","2.2.2","2.3.0","2.4.0","2.5.0","2.5.1","2.5.2","2.6.0","2.6.1","2.6.2","2.6.3","2.6.4","2.6.5","2.6.6","2.6.7","2.6.8","3.0.0","3.0.1","3.0.2","3.1.0","3.1.1","3.1.2","3.10.0","3.10.1","3.10.10","3.10.11","3.10.12","3.10.13","3.10.14","3.10.15","3.10.16","3.10.17","3.10.18","3.10.2","3.10.3","3.10.4","3.10.5","3.10.6","3.10.7","3.10.8","3.10.9","3.11.0","3.11.1","3.11.2","3.11.3","3.11.4","3.11.5","3.2.0","3.2.1","3.2.2","3.3.0","3.3.1","3.4.0","3.4.1","3.4.2","3.4.3","3.4.4","3.4.5","3.4.6","3.4.7","3.4.8","3.5.0","3.5.1","3.5.2","3.5.3","3.5.4","3.6.0","3.6.1","3.6.2","3.6.3","3.6.4","3.6.5","3.6.6","3.6.7","3.6.8","3.6.9","3.7.0","3.7.1","3.7.10","3.7.11","3.7.12","3.7.2","3.7.3","3.7.4","3.7.5","3.7.6","3.7.7","3.7.8","3.7.9","3.8.0","3.8.1","3.8.10","3.8.11","3.8.12","3.8.13","3.8.14","3.8.2","3.8.3","3.8.4","3.8.5","3.8.6","3.8.7","3.8.8","3.8.9","3.9.0","3.9.1","3.9.10","3.9.11","3.9.12","3.9.13","3.9.14","3.9.15","3.9.2","3.9.3","3.9.4","3.9.5","3.9.6","3.9.7","3.9.8","3.9.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-hx9q-6w63-j58v/GHSA-hx9q-6w63-j58v.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P"}]}