CVE-2026-104002

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://aws.amazon.com/security/security-bulletins/2026-123-aws/
https://github.com/aws-powertools/powertools-lambda-python/releases/tag/v3.35.0
https://github.com/aws-powertools/powertools-lambda-python/security/advisories/GHSA-3vxg-4xv2-jfh5

Configurations

No configuration.

History

01 Oct 2026, 22:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-01 22:17

Updated : 2026-10-02 19:16

NVD link : CVE-2026-104002

Mitre link : CVE-2026-104002

CVE.ORG link : CVE-2026-104002

JSON object : View

Products Affected

No product.

CWE

CWE-390

Detection of Error Condition Without Action

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