Vulnerability in Surrealdb
CVE-2025-71391
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Surrealdb — versions 0, 2.2.2, 2.1.5
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-rq86-9m6r-cm3g) (vendor-advisory, Vendor Advisory)
- VulnCheck Advisory: SurrealDB before 2.2.2 Denial of Service via /sql endpoint (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-71391?
- CVE-2025-71391 is a medium-severity vulnerability in Surrealdb, classified under CWE-248. CVSS score: 6.5/10. Published 2026-07-18.
- How severe is CVE-2025-71391?
- Medium severity. CVSS v3 base score is 6.5 out of 10.