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CVE-2025-71397

6.5 · MEDIUM

SurrealDB before 2.0.5, 2.1.x before 2.1.5, and 2.2.x before 2.2.2 allows authenticated users with OWNER or EDITOR permissions (at the root, namespace, or database level) to define custom database…

Published Jul 18, 2026surrealdbCWE-835EPSS 0.55%

Overview

CVE-2025-71397 is a medium-severity vulnerability affecting surrealdb surrealdb. It was published on July 18, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

SurrealDB before 2.0.5, 2.1.x before 2.1.5, and 2.2.x before 2.2.2 allows authenticated users with OWNER or EDITOR permissions (at the root, namespace, or database level) to define custom database functions via DEFINE FUNCTION using nested FOR loops. Although a single loop's iteration count is constrained, nesting multiple loops (e.g., each with 1,000,000 iterations) is not, so an attacker can execute a function that consumes all server CPU time. Configured timeouts do not stop the execution, rendering the server unresponsive to other queries and connections until it is manually restarted.

Remediation

Check the references section for vendor advisories and patches from surrealdb. Update surrealdb to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
surrealdbsurrealdb>= 0, < 2.0.5Affected

References

GitHubgithub.com/surrealdb/surrealdb/security/advisories/GHSA-pxw4-94j3-v9pfRefwww.vulncheck.com/advisories/surrealdb-before-cpu-exhaustion-via-nested-for-loops

How CyberStrike helps

Frequently asked questions

What is CVE-2025-71397?

CVE-2025-71397 is a medium-severity vulnerability affecting surrealdb surrealdb. It was published on July 18, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-71397?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-71397?

Check the references section for vendor advisories and patches from surrealdb. Update surrealdb to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-71397?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-71397 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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