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AWS Security BulletinsCVE-2026-124033

CVE-2026-124033 - Relative path traversal in the log export commands in AWS ParallelCluster CLI

Severity not listed 1 CVE Published Nov 9, 2026 at 9:12 PM UTC

Summary

Bulletin ID: 2026-174-AWS

Publication Date: 11/09/2026 13:00 PM PST

Description:

AWS ParallelCluster CLI is an open source command line tool, distributed on PyPI as aws-parallelcluster. We identified CVE-2026-124033, an issue where the export-cluster-logs and export-image-logs commands in the AWS ParallelCluster CLI before version 3.16.0 contain a relative path traversal issue.

An authenticated remote user with write access to the log export Amazon S3 bucket could use a crafted S3 object key to write files outside the intended export directory on the machine running the command.

Impacted versions: >= 3.0.0 AND < 3.16.0

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Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 1

Updates

  1. Published by AWS

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.