Vulnerability · Published Jul 20, 2026 · Assigned by VulnCheck

CVE-2026-63751SurrealDB before 3.1.0 Field Permission Bypass via JSON Patch

Medium 4.3

In plain English

A medium-severity incorrect authorization 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 22% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 78.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

SurrealDB versions before 3.1.0 contain a field-level permission bypass vulnerability in JSON Patch operations that allows authenticated users to read protected fields. Attackers can use UPDATE PATCH with an empty from pointer in copy or move operations to duplicate all record fields, including those restricted by field-level SELECT permissions, into attacker-chosen destination fields.

Affected products (as reported)

Vendor	Product	Versions
surrealdb	surrealdb	0 – before 3.1.0

Weakness: CWE-863 · 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-fpxg-5xmv-922m) vendor-advisory
VulnCheck Advisory: SurrealDB before 3.1.0 Field Permission Bypass via JSON Patch third-party-advisory