Medium severity6.5NVD Advisory· Published Jul 20, 2026· Updated Jul 22, 2026
CVE-2026-63737
CVE-2026-63737
Description
SurrealDB versions before 3.1.5 contain a denial of service vulnerability where authenticated users can crash the server with queries containing long chains of operators. Attackers can submit queries with tens of thousands of chained operators that create unbounded expression trees, causing stack overflow during query processing and aborting the entire process.
Affected products
2Patches
Vulnerability mechanics
References
2- github.com/surrealdb/surrealdb/security/advisories/GHSA-jv2j-mqmw-xvv5nvdVendor AdvisoryMitigation
- www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-deep-operator-chainsnvdThird Party Advisory
News mentions
0No linked articles in our index yet.