CVE-2026-63747

High

Description

SurrealDB versions before 3.1.0 contain a denial of service vulnerability in the RPC use handler that panics when db is set without a namespace. Unauthenticated attackers can send a malformed WebSocket message to the /rpc endpoint to crash the server process.

SeverityHigh

CVSS7.5

Exploit probability—

ProductSurrealdb

PublishedJul 20, 2026

First seenJul 20, 2026

Weakness typeCWE-248CWE-248

How to fix

Update

surrealdb surrealdb3.1.0 or later

Vendor advisories

github.com/surrealdb/surrealdb/security/advisories/GHSA-wjjj-24cx-f28g

Affected products

Product	Affected versions	Fixed in
surrealdb surrealdb	v < 3.1.0	3.1.0

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