All vulnerabilities
CVE-2026-104002GHSA-3vxg-4xv2-jfh5

powertools-lambda-python: Fail-open error handling in the data masking utility in Powertools for AWS Lambda (Python)

AWS powertools-lambda-pythonRuntimes & languages
Open in ThreatlineRecord JSON
CVSS
5.3Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.31%Chance of exploitation activity in the next 30 days, higher than 22% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published1 Oct 2026Updated 9 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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.

Text from CVE List

Affected versions 1

  • powertools-lambda-pythonaffected: 3.6.0 through 3.34.0CVE List

References 3