{"id":"CVE-2026-109153","published":"2026-10-13T11:17:14.323","lastModified":"2026-10-16T18:17:30.243","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.","cvssScore":6.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","cwes":["CWE-22"],"vendors":[],"products":[],"references":[{"url":"https://github.com/mosaicml/composer/","tags":[]},{"url":"https://github.com/mosaicml/composer/issues/3942","tags":[]},{"url":"https://vuldb.com/cve/CVE-2026-109153","tags":[]},{"url":"https://vuldb.com/submit/978647","tags":[]},{"url":"https://vuldb.com/vuln/416887","tags":[]},{"url":"https://vuldb.com/vuln/416887/cti","tags":[]}],"exploitRefs":[{"url":"https://github.com/mosaicml/composer/","tags":[]},{"url":"https://github.com/mosaicml/composer/issues/3942","tags":[]}],"hasPoc":true,"ai":null}