{"cve":"CVE-2026-63760","nvd":{"published":"2026-07-20T12:19:46.187","modified":"2026-07-22T15:08:06.867","status":"Analyzed","description":"SurrealDB before 3.1.0 fails to enforce the configured recursion depth limit in the value and JSON parser when processing nested braces, brackets, or parentheses. Unauthenticated attackers can send deeply nested JSON payloads to the WebSocket /rpc endpoint to exhaust server memory and crash the process.","cvss_v4":{"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},"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/surrealdb/surrealdb/security/advisories/GHSA-q729-696q-g9pq","https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-json-parser"],"products":["surrealdb:surrealdb"],"source":"nvd","synced_at":"2026-10-19T22:45:36.895656543+00:00"},"epss":{"cve":"CVE-2026-63760","score":0.00515,"percentile":0.43906,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-q729-696q-g9pq","url":"https://osv.dev/vulnerability/GHSA-q729-696q-g9pq","summary":"SurrealDB has Denial of Service in JSON parser due to nested objects","modified":"2026-09-04T21:10:34.708728Z","packages":[{"ecosystem":"crates.io","name":"surrealdb","purl":"pkg:cargo/surrealdb","ranges":["<3.1.0"],"fixed":["3.1.0"]}]}],"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."]}