CVE-2026-63739 | SurrealDB before 3.1.5 contains an arbitrary file read vulne… | CVSS 7.7 HIGH

Description

SurrealDB before 3.1.5 contains an arbitrary file read vulnerability in the DEFINE ANALYZER mapper filter that allows database users with EDITOR or OWNER roles to read files accessible to the SurrealDB process. Attackers can specify arbitrary file paths in the mapper filter and retrieve file contents through query error messages when the SURREAL_FILE_ALLOWLIST is empty or not configured.

Metadata

CVE ID: CVE-2026-63739
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-18 12:19 UTC
Published: 2026-07-20 12:04 UTC
Last updated: 2026-07-20 16:05 UTC
Primary CWE: CWE-22
Improper Limitation of a Pathname to a Restricted Directory …
Vendor / Product: surrealdb / surrealdb
Sources: cve.org · NVD

Severity & Metrics

7.7 HIGH CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
surrealdb	surrealdb	—	0 < 3.1.5, 3.1.5

Weakness (CWE)

CWE	Source	Description
CWE-22	cna	Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.3	HIGH	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
7.7	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References (2)

GitHub Security Advisory (GHSA-cc8f-fcx3-gpjr) https://github.com/surrealdb/surrealdb/security/advisories/GHSA-cc8f-fcx3-gpjr
VulnCheck Advisory: SurrealDB before 3.1.5 Arbitrary File Read via DEFINE ANALYZER https://www.vulncheck.com/advisories/surrealdb-before-arbitrary-file-read-via-define-analyzer