CVE-2026-63760

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q729-696q-g9pq	Vendor Advisory Mitigation
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-json-parser	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-20 12:19

Updated : 2026-07-22 15:08

NVD link : CVE-2026-63760

Mitre link : CVE-2026-63760

CVE.ORG link : CVE-2026-63760

JSON object : View

Products Affected

surrealdb

surrealdb

CWE

CWE-674

Uncontrolled Recursion

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