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MaxKB vulnerable to privilege escalation through sandbox bypass

Type: advisorySources: OSV

MaxKB is an open-source AI assistant for enterprise. In versions 2.3.1 and below, the tool module allows an attacker to escape the sandbox environment and escalate privileges under certain concurrent conditions. This issue is fixed in version 2.4.0.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2025-66419
Confirmed fixed CVEs
Not specified
Updated in this feed
6 Nov 2026, 04:11 UTC · Revision 1

Source evidence

MaxKB vulnerable to privilege escalation through sandbox bypass

core-osv · Original source

Published 11 Dec 2025, 21:39 UTC

MaxKB is an open-source AI assistant for enterprise. In versions 2.3.1 and below, the tool module allows an attacker to escape the sandbox environment and escalate privileges under certain concurrent conditions. This issue is fixed in version 2.4.0.

osv:CVE-2025-66419
Complete source record
{
  "id": "22b6f3f0239c8b7e5100cf3aef6e576ab7161349f6620fd8e6fe1f7e61092e2a",
  "url": "https://osv.dev/vulnerability/CVE-2025-66419",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "MaxKB vulnerable to privilege escalation through sandbox bypass",
    "summary": "MaxKB is an open-source AI assistant for enterprise. In versions 2.3.1 and below, the tool module allows an attacker to escape the sandbox environment and escalate privileges under certain concurrent conditions. This issue is fixed in version 2.4.0.",
    "evidence": "osv:CVE-2025-66419",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-66419",
      "aliases": [
        "CVE-2025-66419",
        "GHSA-f9qm-2pxq-fx6c"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/1panel-dev/maxkb",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "44b1387635918196dca7257c5291d63950c1e7e3"
                },
                {
                  "fixed": "f8ada9a110c4dbef8c3c2636c78847ecd621ece7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:maxkb:maxkb:*:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f8ada9a110c4dbef8c3c2636c78847ecd621ece7"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "44b1387635918196dca7257c5291d63950c1e7e3"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2.4.0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.3.0",
            "v2.2.0",
            "v2.1.0",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0",
            "v1.10.4-lts",
            "v1.10.3-lts",
            "v1.10.2-lts",
            "v1.10.1-lts",
            "v1.10.0-lts",
            "v1.9.0",
            "v1.7.0",
            "v1.6.1",
            "v1.6.0",
            "v1.5.0",
            "v1.4.0",
            "v1.3.0",
            "v1.2.1",
            "v1.2.0",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v1.0.1",
            "v1.0.0",
            "v0.9.1",
            "v0.9.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66419.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.802457797Z",
      "provider": "osv",
      "references": [
        "https://github.com/1Panel-dev/MaxKB/releases/tag/v2.4.0",
        "https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-f9qm-2pxq-fx6c",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66419.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-66419",
        "https://github.com/1Panel-dev/MaxKB/commit/f8ada9a110c4dbef8c3c2636c78847ecd621ece7"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-362"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66419.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-66419",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514578,
  "published_at": "2025-12-11T21:39:15.361+00:00"
}