PT-2026-25543 · Codegenieapp · Serverless-Express

Ana10Gy + 1 · Published 2026-03-15 · Updated 2026-03-16 · CVE-2026-4171

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions CodeGenieApp serverless-express versions through 4.17.1

Description A security issue exists in CodeGenieApp serverless-express up to version 4.17.1. The issue affects functionality within the file examples/lambda-function-url/packages/api/models/TodoList.ts of the API Endpoint component. Manipulation of the userId argument can lead to authorization bypass, and the attack can be carried out remotely. The exploit has been publicly disclosed. The vendor was contacted regarding this disclosure but did not respond.

Recommendations Versions prior to 4.17.1 are recommended.

Exploit

Fix

Improper Authorization

IDOR

Weakness Enumeration

CWE-285

CWE-639

Related Identifiers

CVE-2026-4171

Affected Products

Serverless-Express

References · 8

• 🔥 https://github.com/AnalogyC0de/public_exp/issues/20 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4171 · Security Note
• https://vuldb.com/?ctiid.351078 · Note
• https://vuldb.com/?submit.769771 · Note
• https://vuldb.com/?id.351078 · Note
• https://twitter.com/CVEnew/status/2033194282673398220 · Twitter Post
• https://vuldb.com/?submit.769769 · Note
• https://t.me/CVEtracker/47418 · Telegram Post