CVE-2026-108600

open-multi-agent 1.5.0 through 1.21.2 Sandbox Escape via file_write Dangling Symlink

Published Oct 10, 2026 CVSS 4.0 · 5.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Open-multi-agent
Open-multi-agent open-multi-agent
Vendors & Products Open-multi-agent
Open-multi-agent open-multi-agent
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 13, 2026, 6:54 PM
Reserved
Oct 10, 2026, 6:25 PM
Status
Deferred
Published
Oct 10, 2026, 7:16 PM
Modified
Oct 16, 2026, 7:21 PM