Vulnerability · Published Jul 20, 2026 · Assigned by VulnCheck

CVE-2026-63748SurrealDB before 3.1.0 Information Disclosure via Error Messages

Medium 4.3

In plain English

A medium-severity security flaw in surrealdb from surrealdb. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 74.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
surrealdb	surrealdb	0 – before 3.1.0

Weakness: CWE-209 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

GitHub Security Advisory (GHSA-6g9v-7gq3-p2c6) vendor-advisory
VulnCheck Advisory: SurrealDB before 3.1.0 Information Disclosure via Error Messages third-party-advisory