THREAT OPS › Threat News › ZDI-26-384: MosaicML Composer Deserialization of Untrusted Data Remote Code Execution Vulnerability
ZDI-26-384: MosaicML Composer Deserialization of Untrusted Data Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of MosaicML Composer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-10043.
MITRE ATT&CK techniques
- Malicious FileT1204.002
Indicators of compromise
- CVE-2026-10043cve
Original source: http://www.zerodayinitiative.com/advisories/ZDI-26-384/