CVE-2026-63747
HIGHSurrealDB before 3.1.0 Denial of Service via malformed RPC use
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-wjjj-24cx-f28g)
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-wjjj-24cx-f28g
Third Party Advisory third-party-advisory
VulnCheck Advisory: SurrealDB before 3.1.0 Denial of Service via malformed RPC use
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-malformed-rpc-use
Scores
CVSS v3
7.5
EPSS
0.0036
EPSS Percentile
28.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-248
Status
published
Products (2)
surrealdb/surrealdb
< 3.1.0 (2 CPE variants)
surrealdb/surrealdb
3.1.0
Published
Jul 20, 2026
Tracked Since
Jul 20, 2026