Vulnerability · Published Jul 18, 2026 · Assigned by VulnCheck

CVE-2025-71393SurrealDB before 2.2.2 Memory Exhaustion via Nested Functions

Medium 6.0

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 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 4.0)6.0Medium
Exploit odds (30 days)0.5%top 59.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

SurrealDB before 2.2.2 with scripting enabled fails to properly enforce recursion limits when native functions contain embedded JavaScript that issues new queries. Authenticated attackers can bypass the recursion limit by chaining native and JavaScript function calls to trigger infinite recursion and exhaust server memory.

Affected products (as reported)

VendorProductVersions
surrealdb surrealdb 2.2.0 – before 2.2.2
surrealdb surrealdb 2.1.0 – before 2.1.5
surrealdb surrealdb 0 – before 2.0.5

Weakness: CWE-674 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References