{"cve":"CVE-2026-73562","nvd":{"published":"2026-08-13T18:18:18.643","modified":"2026-10-24T15:10:00.190","status":"Awaiting Analysis","description":"Mongoose is a MongoDB object modeling tool designed to work in an asynchronous environment. Prior to 6.13.10, 7.8.10, 8.24.1, and 9.7.2, passing a user-controlled update such as MyModel.updateOne(filter, req.body) can exploit Mongoose update casting with a __proto__.x dotted path under $set. Schema.prototype.path and Schema.prototype._getPathType can treat inherited properties of schema.paths and schema.nested as schema types, allowing the casting process to set $fullPath and $parentSchemaDocArray on Object.prototype before throwing. This prototype pollution makes those properties visible on newly created objects and can cause application integrity and availability impacts. This issue is fixed in versions 6.13.10, 7.8.10, 8.24.1, and 9.7.2.","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:L/A:L","score":6.5},"cwes":["CWE-1321"],"references":["https://github.com/Automattic/mongoose/commit/35a3f33bc9a0a28671f99e3c5010000425650d0f","https://github.com/Automattic/mongoose/commit/7285466b860d3b511f8d07b2ab72656703ee707a","https://github.com/Automattic/mongoose/commit/953d085bee5a16b5d6c5af33a156e6314d6d9a45","https://github.com/Automattic/mongoose/commit/fab793b747131c68927888cba41cf3e6d6593740","https://github.com/Automattic/mongoose/security/advisories/GHSA-664h-wqgq-64gw"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:35.584907681+00:00"},"epss":{"cve":"CVE-2026-73562","score":0.00503,"percentile":0.4271,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-664h-wqgq-64gw","url":"https://osv.dev/vulnerability/GHSA-664h-wqgq-64gw","summary":"Mongoose: Prototype pollution in mongoose update casting via __proto__-prefixed dotted path (Schema._getSchema/path getter)","modified":"2026-08-19T09:55:54.203227351Z","packages":[{"ecosystem":"npm","name":"mongoose","purl":"pkg:npm/mongoose","ranges":["<6.13.10"],"fixed":["6.13.10"]},{"ecosystem":"npm","name":"mongoose","purl":"pkg:npm/mongoose","ranges":[">=7.0.0 <7.8.10"],"fixed":["7.8.10"]},{"ecosystem":"npm","name":"mongoose","purl":"pkg:npm/mongoose","ranges":[">=8.0.0 <8.24.1"],"fixed":["8.24.1"]},{"ecosystem":"npm","name":"mongoose","purl":"pkg:npm/mongoose","ranges":[">=9.0.0 <9.7.2"],"fixed":["9.7.2"]}]}],"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."]}