CVE-2026-63759

Summary

SurrealDB before 3.1.0 fails to enforce recursion depth limits in the type/kind parser when processing nested type annotations. Authenticated attackers can send queries with deeply nested type annotations to exhaust server memory and crash the process.

Affected Software

Weaknesses

• CWE-674: Uncontrolled Recursion

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q8qp-67f9-wr3f
• https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-nested-type-annotations

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