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No exploitation reportedAwaiting NVD analysis

CVE-2026-124033

Relative path traversal in the log export commands in AWS ParallelCluster CLI

No exploitation reported by the sources we read.

  • Published2026-11-09
  • WeaknessCWE-23

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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. The written files would have names and content controlled by a third party, and would be created with the privileges of the user running the command. To remediate this issue, users should upgrade to version 3.16.0 or later.

Timeline

dates in UTC
  1. 2026-11-0921:05CVE publishedCNA

Versions per branch

Products declared by the CNA

As AMZN, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • aws-parallelclusterother versions: not affected
    Affected
    • ≥ 3.0.0, < 3.16.0fixed in 3.16.0custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-09

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-124033 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE record2026-11-09
  • CNACVSS 4.05.92026-11-09
  • CNACVSS 3.16.42026-11-09
  • CNAweakness (CWE)CWE-232026-11-09

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Published
2026-11-09

Frequently asked questions

What is CVE-2026-124033?

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. The written files would have names and content controlled by a third party, and would be created with the privileges of the user running the command. To remediate this issue, users should upgrade to version 3.16.0 or later.

Is CVE-2026-124033 actively exploited?

Active exploitation of CVE-2026-124033 has not been confirmed.

What is the CVSS score for CVE-2026-124033?

CVE-2026-124033 has a CVSS v3 base score of 6.4 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H.

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