{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.5.0"
              },
              {
                "last_affected": "1.21.2"
              },
              {
                "fixed": "1.21.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "995ce60f62dda66e4f5dcd24f60b3c1e3aab0ca8"
            },
            {
              "fixed": "6ec5498643c7e431aa66751f17f47a529e7f927c"
            }
          ],
          "repo": "https://github.com/open-multi-agent/open-multi-agent",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-59"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108600.json"
  },
  "details": "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.",
  "id": "CVE-2026-108600",
  "modified": "2026-10-14T10:30:20.253475476Z",
  "published": "2026-10-10T18:58:16.432Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.npmjs.com"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108600.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@haind/open-multi-agent-file-write-dangling-symlink-escape"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-108600"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/open-multi-agent-1.5.0-through-1.21.2-sandbox-escape-via-file-write-dangling-symlink"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/open-multi-agent/open-multi-agent"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/open-multi-agent/open-multi-agent/blob/6ec5498643c7e431aa66751f17f47a529e7f927c/packages/core/src/tool/built-in/file-write.ts#L67"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/open-multi-agent/open-multi-agent/blob/6ec5498643c7e431aa66751f17f47a529e7f927c/packages/core/src/tool/built-in/path-safety.ts#L104-L113"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "open-multi-agent 1.5.0 through 1.21.2 Sandbox Escape via file_write Dangling Symlink"
}