[ CVE-2026-109153 · Published 13 Oct 2026 ]
Vulnerability in MosaicML Composer
CVSS 6.3
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.