[ CVE-2026-108600 · Published 10 Oct 2026 ]
Vulnerability in open-multi-agent
CVSS 4.7
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official description
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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/open-multi-agent/open-multi-agent
- github.com/open-multi-agent/open-multi-agent/blob/6ec5498643c7e431aa66751f17f47a529e7f9…
- github.com/open-multi-agent/open-multi-agent/blob/6ec5498643c7e431aa66751f17f47a529e7f9…
- hackmd.io/@haind/open-multi-agent-file-write-dangling-symlink-escape
- www.vulncheck.com/advisories/open-multi-agent-1.5.0-through-1.21.2-sandbox-escape-via-f…