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.

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History

Sat, 10 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
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.
Title open-multi-agent 1.5.0 through 1.21.2 Sandbox Escape via file_write Dangling Symlink
Weaknesses CWE-59
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 5.7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-10T18:58:16.432Z

Reserved: 2026-10-10T18:25:15.230Z

Link: CVE-2026-108600

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-10T19:16:58.640

Modified: 2026-10-10T19:16:58.640

Link: CVE-2026-108600

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses