CVE-2026-63760

Summary

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.

Affected Software

Weaknesses

• CWE-674: Uncontrolled Recursion

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q729-696q-g9pq
• https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-json-parser

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