Vulnerability · Published Mar 12, 2026 · Assigned by VulDB

CVE-2026-3992CodeGenieApp serverless-express Users Endpoint dynamodb.ts injection

Medium 6.3

In plain English

A medium-severity injection in serverless-express from CodeGenieApp. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.2%top 84.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
CodeGenieApp	serverless-express	4.17.04.17.1

Weakness: CWE-74, CWE-707 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-350474 | CodeGenieApp serverless-express Users Endpoint dynamodb.ts injection vdb-entry, technical-description
VDB-350474 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #769631 | CodeGenieApp serverless-express <=4.17.1 Property Injection third-party-advisory
https://github.com/AnalogyC0de/public_exp/issues/19 exploit, issue-tracking