{"id":"CVE-2026-109153","title":"A vulnerability was detected in MosaicML Composer up to 0.32.1","summary":"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…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","cwe":["CWE-22"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T13:29:12.567","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109153","references":[{"url":"https://github.com/mosaicml/composer/","label":"cna@vuldb.com"},{"url":"https://github.com/mosaicml/composer/issues/3942","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-109153","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/978647","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/416887","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/416887/cti","label":"cna@vuldb.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T11:23:51.175Z","slug":"CVE-2026-109153","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}