What’s Vulnerable › Products

MosaicML Composer vulnerabilities

2 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your MosaicML Composer version is affected

Latest MosaicML Composer vulnerabilities

• CVE-2026-109153 — MosaicML Composer Checkpoint Extraction checkpoint.py tarball.extractall path traversal (CVSS 6.3)
• CVE-2026-10043 — MosaicML Composer Deserialization of Untrusted Data Remote Code Execution Vulnerability (CVSS 7.8)