๐Ÿ” CVE Alert

CVE-2026-63760

HIGH 7.5

SurrealDB before 3.1.0 Denial of Service via JSON Parser

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-674
Vendor surrealdb
Product surrealdb
Published Jul 20, 2026
Last Updated Jul 20, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Affected Versions

surrealdb / surrealdb
0 < 3.1.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q729-696q-g9pq vulncheck.com: https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-json-parser

Credits

๐Ÿ” DarkaMaul