[ CVE-2026-104002 · Published 1 Oct 2026 ]
Vulnerability in AWS powertools-lambda-python
CVSS 5.3
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.