CVE-2026-104002

Published: Oct 1, 2026Modified: Oct 2, 2026

6.0

Vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: ff89ba41-3aa1-4d27-914a-91399e9639e5 (Secondary)

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.

Related CWEs

CWE-390

Detection of Error Condition Without Action

The product detects a specific error, but takes no actions to handle the error.

References (3)

https://aws.amazon.com/security/security-bulletins/2026-123-aws/

Source: ff89ba41-3aa1-4d27-914a-91399e9639e5

https://github.com/aws-powertools/powertools-lambda-python/releases/tag/v3.35.0

Source: ff89ba41-3aa1-4d27-914a-91399e9639e5

https://github.com/aws-powertools/powertools-lambda-python/security/advisories/GHSA-3vxg-4xv2-jfh5

Source: ff89ba41-3aa1-4d27-914a-91399e9639e5

Timeline

No history available yet.