CVE Catalog

CVE-2026-104002

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.31%

21th percentile - higher than 21% of all known CVEs

Summary

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. The issue is fixed in version 3.35.0.

Risk Assessment

The organization may be exposed to disclosure of sensitive data that was meant to be protected by masking, potentially leading to confidentiality breaches.

Recommendation

Upgrade the Powertools for AWS Lambda (Python) library to version 3.35.0 or later as soon as possible.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS