CVE-2026-63743

Summary

SurrealDB before 3.1.0 contains a capability bypass vulnerability in HTTP redirect handling that allows authenticated users to circumvent port-scoped –deny-net rules. Attackers can chain an HTTP redirect from an allowed hostname to a denied host:port combination, and the redirect is followed because the port information is dropped during redirect policy evaluation.

Affected Software

Weaknesses

• CWE-918: Server-Side Request Forgery (SSRF)

ADP Enrichment

CISA ADP Vulnrichment

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

References

• https://github.com/surrealdb/surrealdb/security/advisories/GHSA-97vg-427p-8hx5
• https://www.vulncheck.com/advisories/surrealdb-before-port-specific-deny-rule-bypass-via-http-redirect

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