CVE-2026-63747

SurrealDB before 3.1.0 Denial of Service via malformed RPC use

Published Jul 20, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Surrealdb
Surrealdb surrealdb
Vendors & Products Surrealdb
Surrealdb surrealdb
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title SurrealDB before 3.1.0 Denial of Service via malformed RPC use
Weaknesses CWE-248
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 28, 2026, 1:05 AM
Reserved
Jul 18, 2026, 12:26 PM
Status
Analyzed
Published
Jul 20, 2026, 12:19 PM
Modified
Jul 23, 2026, 8:17 PM