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VULNERABILITIES

CVE-2026-104002 Details

Description

A fail-open error handling issue within the data masking utility of Powertools for AWS Lambda (Python) might allow actors to read sensitive field values that the application intended to mask.  To remediate this issue, users should upgrade to version 3.35.0.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: AMZNCVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://aws.amazon.com/security/security-bulletins/2026-123-aws/ AMZN
https://github.com/aws-powertools/powertools-lambda-python/releases/tag/v3.35.0 AMZN
https://github.com/aws-powertools/powertools-lambda-python/security/advisories/GHSA-3vxg-4xv2-jfh5 AMZN

Weakness Enumeration

CWE-IDCWE NameSource
CWE-390Detection of Error Condition Without ActionAMZN

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-104002
NVD Published Date:
Oct 1, 2026
NVD Last Modified:
Oct 2, 2026
Source:
AMZN
CVE-2026-104002 Details - Not Deferred