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VULNERABILITIES

CVE-2026-109153 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

A vulnerability was detected in MosaicML Composer up to 0.32.1. This affects the function tarball.extractall of the file composer/utils/checkpoint.py of the component Checkpoint Extraction. The manipulation results in path traversal. The attack can be executed remotely. The vendor was contacted early about this disclosure.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/mosaicml/composer/ [email protected]ProductSource CodeVendor
https://github.com/mosaicml/composer/issues/3942 [email protected]Issue TrackingTechnical DescriptionVendor
https://vuldb.com/cve/CVE-2026-109153 [email protected]AdvisoryPermission Required
https://vuldb.com/submit/978647 [email protected]Issue TrackingPermission Required
https://vuldb.com/vuln/416887 [email protected]AdvisoryPermission Required

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')[email protected]

Affected Products

ProductVersions
MosaicML Composer
<= 0.32.1 (semver)

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • No remediation found in references.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-109153
NVD Published Date:
Oct 13, 2026
NVD Last Modified:
Oct 16, 2026
Source:
[email protected]
CVE-2026-109153 Details - Not Deferred