open-multi-agent 1.5.0 through 1.21.2 Sandbox Escape via file_write Dangling Symlink
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.
CVE-2026-108600
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-108600
open-multi-agent
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/open-multi-agent/open-multi-agent",
"vendor": "open-multi-agent",
"product": "open-multi-agent",
"versions": [
{
"status": "affected",
"version": "1.5.0",
"versionType": "semver",
"lessThanOrEqual": "1.21.2"
}
],
"packageURL": "pkg:npm/%40open-multi-agent/core",
"collectionURL": "https://www.npmjs.com",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-108600
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #20659 · Revision 1
- Added to Heist Feed
- Publisher date