CVE-2026-63760
HIGHSurrealDB before 3.1.0 Denial of Service via JSON Parser
Title source: cnaDescription
SurrealDB before 3.1.0 fails to enforce the configured recursion depth limit in the value and JSON parser when processing nested braces, brackets, or parentheses. Unauthenticated attackers can send deeply nested JSON payloads to the WebSocket /rpc endpoint to exhaust server memory and crash the process.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-q729-696q-g9pq)
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q729-696q-g9pq
Third Party Advisory third-party-advisory
VulnCheck Advisory: SurrealDB before 3.1.0 Denial of Service via JSON Parser
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-json-parser
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-674
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