CVE-2026-108600: Open-Multi-Agent

Medium severity, CVSS 4.7.

open-multi-agent (@open-multi-agent/core) 1.5.0 through 1.21.2 contains a link following vulnerability in the file_write tool sandbox that allows attackers to create files outside the workspace root by using dangling symlinks. Attackers can plant a dangling symlink in the workspace and steer the agent via prompt injection to write attacker-influenced content anywhere the agent process can write.

Affected products

• Open-Multi-Agent Open-Multi-Agent: from 1.5.0, up to and including 1.21.2

Published 2026-10-10. Last modified 2026-10-10.