{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.2.9"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "588c0692df6aa58237615411f9b34cbd5a84e714"
            },
            {
              "fixed": "9ed5a7e20d8a67c431265f5a252e9559d9920907"
            }
          ],
          "repo": "https://github.com/lobehub/lobehub",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59100.json"
  },
  "details": "LobeChat through 2.2.9 contains a broken object level authorization vulnerability that allows authenticated attackers to access and modify other users' chat-group agent data by supplying arbitrary group identifiers. Attackers can invoke the getGroupAgents, updateAgentInGroup, and removeAgentsFromGroup operations without user-scoped predicates to read agent listings, modify agent roles and ordering, and remove agents from chat groups belonging to other users.",
  "id": "CVE-2026-59100",
  "modified": "2026-07-16T03:31:00.441951213Z",
  "published": "2026-07-02T19:43:16.068Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59100.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59100"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/lobechat-broken-object-level-authorization-via-chat-group-agent-operations"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/lobehub/lobehub/pull/16586"
    },
    {
      "type": "FIX",
      "url": "https://github.com/lobehub/lobehub/commit/9ed5a7e20d8a67c431265f5a252e9559d9920907"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/lobehub/lobehub"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/lobehub/lobehub/issues/16537"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "LobeChat 2.2.9 - Broken Object Level Authorization via Chat-Group Agent Operations"
}