Vulnerability · Published Jul 20, 2026 · Assigned by VulnCheck

CVE-2026-63739SurrealDB before 3.1.5 Arbitrary File Read via DEFINE ANALYZER

High 7.7

In plain English

A high-severity path traversal 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 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)7.7High

Exploit odds (30 days)0.5%top 58.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
surrealdb	surrealdb	0 – before 3.1.5

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References

GitHub Security Advisory (GHSA-cc8f-fcx3-gpjr) vendor-advisory
VulnCheck Advisory: SurrealDB before 3.1.5 Arbitrary File Read via DEFINE ANALYZER third-party-advisory