CVE-2026-63747CWE-248

SurrealDB before 3.1.0 Denial of Service via malformed RPC use

High · published July 20, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
43.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00515 · 43.0th percentile
Weakness
CWE-248 · Uncaught Exception
Published
2026-07-20T12:04Z
EPSS history
Timeline
  • 20 JUL 12:04Z
    SurrealDB before 3.1.0 Denial of Service via malformed RPC use
    cvelistv5