CVE-2026-104002
Published:October 01, 2026
Updated:October 10, 2026
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.
Affected Packages
aws-lambda-powertools (CONDA):
Affected version(s) >=3.6.0 <3.35.0Fix Suggestion:
Update to version 3.35.0https://github.com/aws-powertools/powertools-lambda-python.git (GITHUB):
Affected version(s) >=v3.6.0 <v3.35.0Fix Suggestion:
Update to version v3.35.0aws-lambda-powertools (PYTHON):
Affected version(s) >=3.6.0 <3.35.0Fix Suggestion:
Update to version 3.35.0Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Detection of Error Condition Without Action
EPSS
Base Score:
0.31