CVE-2026-63747
highpriority · track · 0EPSS 0.005 · 44 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/surrealdb/surrealdb/security/advisories/GHSA-wjjj-24cx-f28gcnnvd
- https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-malformed-rpc-usecnnvd
- https://github.com/surrealdb/surrealdb/security/advisories/GHSA-wjjj-24cx-f28genisa_euvd
- https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-malformed-rpc-useenisa_euvd
- https://github.com/surrealdb/surrealdb/security/advisories/GHSA-wjjj-24cx-f28gMitigationVendor Advisorynvd
- https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-malformed-rpc-useThird Party Advisorynvd
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