{"id":"CVE-2026-57480","revision":"a0748a26309b4da4ae6a32661fff7e3e","records":[{"revision":"a0748a26309b4da4ae6a32661fff7e3e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-57480","aliases":[],"title":"Parse Server: Denial of service via exponential-time processing of deeply nested query operators","description":"Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.12 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the internal query-traversal helper and block the Node.js event loop. This issue is fixed in versions 9.9.1-alpha.12 and 8.6.82.","state":0,"publishedAt":"2026-07-08T20:53:21.307+00:00","modifiedAt":"2026-07-09T13:43:23.509+00:00","affected":[{"ecosystem":"Vendor product","name":"parse-server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"parse-community\",\n                    \"product\": \"parse-server\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 9.0.0-alpha.1, < 9.9.1-alpha.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"< 8.6.82\",\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:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"}],"references":["https://github.com/parse-community/parse-server/security/advisories/GHSA-cgxm-vr2f-6fj8","https://github.com/parse-community/parse-server/pull/10511","https://github.com/parse-community/parse-server/pull/10512","https://github.com/parse-community/parse-server/commit/0f5d2ad77b422dc904458254548be87397fc6e9b","https://github.com/parse-community/parse-server/commit/1103c7a890e0455ba3dccd4bc5db17efe1789c9a","https://github.com/parse-community/parse-server/releases/tag/8.6.82","https://github.com/parse-community/parse-server/releases/tag/9.9.1-alpha.12"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-57480","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-57480","identifiers":["CVE-2026-57480"]},"retained":false,"historicalAffected":[]}],"coverage":[]}