CVE-2026-10043

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 specific flaw exists within the parsing of checkpoints. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27990.

• CWE-502

• https://github.com/mosaicml/composer/commit/6405188805a0054b4551ec49e4919c54c971d0e8
• https://www.zerodayinitiative.com/advisories/ZDI-26-384/

Published

Jun 24, 2026

Last Modified

Oct 25, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-100413SeaweedFS is a distributed storage system for files and blob…7.1
• CVE-2026-100417RustDesk before 1.5.0 on Windows fails to enforce the one-wa…3.1
• CVE-2026-100418Flame through 2.4.0 contains an information exposure vulnera…5.3
• CVE-2026-100419gitoxide gix-fs before 0.23.0 contains a path validation byp…7
• CVE-2026-10042manga-image-translator contains a remote code execution vuln…9.8
• CVE-2026-100420A sensitive information disclosure vulnerability in the clou…6.8
• CVE-2026-10044Usagi-org ai-goofish-monitor contains an unauthenticated arb…8.2
• CVE-2026-10045Shenzhen Kangda Xin Intelligent Network Technology Company's…9.8
• CVE-2026-10046Bitdefender Napoca bare-metal hypervisor contains an out-of-…7.8
• CVE-2026-10047The Bitdefender Napoca bare-metal hypervisor contains an out…7.8
• CVE-2026-100493An integer overflow in the DDS RGB888 loader of AMD Compress…6.9
• CVE-2026-1005Integer underflow in wolfSSL packet sniffer <= 5.8.4 allows …5.3