CVE-2026-63742 | SurrealDB versions before 3.1.0 contain a field-level SELECT… | CVSS 4.3 MEDIUM

Description

SurrealDB versions before 3.1.0 contain a field-level SELECT permission bypass vulnerability in indexed COUNT fast paths. Attackers can execute COUNT queries on indexed fields with field-level SELECT restrictions to confirm or recover restricted field values through repeated guesses.

Metadata

CVE ID: CVE-2026-63742
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-18 12:26 UTC
Published: 2026-07-20 12:04 UTC
Last updated: 2026-07-20 12:53 UTC
Primary CWE: CWE-863
Incorrect Authorization
Vendor / Product: surrealdb / surrealdb
Sources: cve.org · NVD

Severity & Metrics

4.3 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
surrealdb	surrealdb	—	0 < 3.1.0, 3.1.0

Weakness (CWE)

CWE	Source	Description
CWE-863	cna	Incorrect Authorization

CVSS scores (2)

Score	Severity	Version	Source	Vector
5.3	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
4.3	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References (2)

GitHub Security Advisory (GHSA-c8jx-96c9-8xrp) https://github.com/surrealdb/surrealdb/security/advisories/GHSA-c8jx-96c9-8xrp
VulnCheck Advisory: SurrealDB before 3.1.0 Field Permission Bypass via Indexed COUNT https://www.vulncheck.com/advisories/surrealdb-before-field-permission-bypass-via-indexed-count