CVE-2026-63748

Medium

Description

SurrealDB versions before 3.1.0 contain an information disclosure vulnerability where authenticated users with UPDATE access can read field values hidden by field-level SELECT permissions through error messages. Attackers can trigger arithmetic or extend operations on hidden fields to embed raw operand values in error responses, bypassing field-level access controls.

SeverityMedium

CVSS4.3

Exploit probability—

ProductSurrealdb

PublishedJul 20, 2026

First seenJul 20, 2026

Weakness typeCWE-209CWE-209

How to fix

Update

surrealdb surrealdb3.1.0 or later

Vendor advisories

github.com/surrealdb/surrealdb/security/advisories/GHSA-6g9v-7gq3-p2c6

Affected products

Product	Affected versions	Fixed in
surrealdb surrealdb	v < 3.1.0	3.1.0

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