GHSA-4GC2-344Q-R2RW

Vulnerability from github – Published: 2026-03-02 21:31 – Updated: 2026-03-04 21:14
VLAI?
Summary
MS-Agent vulnerable to Command Injection
Details

A Command Injection vulnerability in ModelScope's MS-Agent versions v1.6.0rc1 and earlier exists, allowing an attacker to execute arbitrary operating system commands through crafted prompt-derived input.

Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "ms-agent"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.6.0rc1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-2256"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-77"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-04T21:14:09Z",
    "nvd_published_at": "2026-03-02T21:16:27Z",
    "severity": "MODERATE"
  },
  "details": "A Command Injection vulnerability in ModelScope\u0027s MS-Agent versions v1.6.0rc1 and earlier exists, allowing an attacker to execute arbitrary operating system commands through crafted prompt-derived input.",
  "id": "GHSA-4gc2-344q-r2rw",
  "modified": "2026-03-04T21:14:09Z",
  "published": "2026-03-02T21:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2256"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Itamar-Yochpaz/CVE-2026-2256-PoC"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/modelscope/ms-agent"
    },
    {
      "type": "WEB",
      "url": "https://medium.com/@itamar.yochpaz/cve-2026-2256-from-ai-prompt-to-full-system-compromise-a4114c718326"
    },
    {
      "type": "WEB",
      "url": "https://www.hiddenlayer.com/research/indirect-prompt-injection-of-claude-computer-use"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/431821"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "MS-Agent vulnerable to Command Injection"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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