{"cve":"CVE-2019-2391","nvd":{"published":"2020-03-31T14:15:14.173","modified":"2026-06-17T02:33:44.887","status":"Modified","description":"Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure. This issue affects: MongoDB Inc. js-bson library version 1.1.3 and prior to.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","score":5.4},"cwes":["CWE-502"],"references":["https://github.com/mongodb/js-bson/releases/tag/v1.1.4","https://github.com/mongodb/js-bson/releases/tag/v1.1.4"],"products":["mongodb:js-bson"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2019-2391","score":0.00766,"percentile":0.55491,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4jwp-vfvf-657p","url":"https://osv.dev/vulnerability/GHSA-4jwp-vfvf-657p","summary":"Deserialization of Untrusted Data in bson","modified":"2023-11-08T04:01:31.793786Z","packages":[{"ecosystem":"npm","name":"bson","purl":"pkg:npm/bson","ranges":["<1.1.4"],"fixed":["1.1.4"]}]}],"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."]}