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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (30.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Codegenieapp Serverless-Express — versions 4.17.0, 4.17.1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/AnalogyC0de/public_exp/issues/19 (issue-tracking, exploit)
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.