Is CVE-2026-63757 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-63757?

CVE-2026-63757 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-63757

Description

SurrealDB versions before 3.1.0 contain a session hijacking vulnerability where the HTTP /rpc sessions method returns attached session UUIDs without authentication and accepts arbitrary session fields with no ownership verification. Unauthenticated attackers can enumerate session UUIDs and impersonate authenticated sessions to read, write, delete data and escalate privileges.