Vulnerability in Codegenieapp Serverless-Express

CVE-2026-3992

A weakness has been identified in CodeGenieApp serverless-express up to 4.17.1. This affects an unknown part of the file utils/dynamodb.ts of the component Users Endpoint. This manipulation of the argument filter causes injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.002 (14.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3992?
CVE-2026-3992 is a medium-severity vulnerability in Codegenieapp Serverless-Express, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-03-12.
How severe is CVE-2026-3992?
Medium severity. CVSS v3 base score is 6.3 out of 10.