Vulnerability · Published Jul 18, 2026 · Assigned by VulnCheck

CVE-2025-71391SurrealDB before 2.2.2 Denial of Service via /sql endpoint

High 7.1

In plain English

A high-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 0.6% (higher than 46% of all known vulnerabilities).

Severity (CVSS 4.0)7.1High

Exploit odds (30 days)0.6%top 53.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

SurrealDB versions before 2.2.2 contain an uncaught exception vulnerability in the net module that allows authenticated users to crash the database. Attackers can send crafted HTTP queries containing null bytes to the /sql endpoint, causing an unhandled exception that crashes the SurrealDB instance and any dependent applications.

Affected products (as reported)

Vendor	Product	Versions
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-248 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References

GitHub Security Advisory (GHSA-rq86-9m6r-cm3g) vendor-advisory
VulnCheck Advisory: SurrealDB before 2.2.2 Denial of Service via /sql endpoint third-party-advisory