{"cve":"CVE-2024-27454","nvd":{"published":"2024-02-26T16:28:00.530","modified":"2026-06-17T07:19:55.457","status":"Analyzed","description":"orjson.loads in orjson before 3.9.15 does not limit recursion for deeply nested JSON documents.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-674"],"references":["https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915","https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e","https://github.com/ijl/orjson/issues/458","https://monicz.dev/CVE-2024-27454","https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915"],"products":["ijl:orjson"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2024-27454","score":0.01197,"percentile":0.68123,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-pwr2-4v36-6qpr","url":"https://osv.dev/vulnerability/GHSA-pwr2-4v36-6qpr","summary":"orjson does not limit recursion for deeply nested JSON documents","modified":"2026-09-10T03:50:09.881449775Z","packages":[{"ecosystem":"PyPI","name":"orjson","purl":"pkg:pypi/orjson","ranges":["<3.9.15"],"fixed":["3.9.15"]}]},{"id":"PYSEC-2024-40","url":"https://osv.dev/vulnerability/PYSEC-2024-40","summary":"","modified":"2026-06-10T17:02:27.884394738Z","packages":[{"ecosystem":"PyPI","name":"orjson","purl":"pkg:pypi/orjson","ranges":["<3.9.15"],"fixed":["3.9.15"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}