{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.1.0"
              },
              {
                "last_affected": "2.1.0"
              },
              {
                "introduced": "2.1.1"
              },
              {
                "last_affected": "2.1.1"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "feaa9076b0d5eb60cab5ada6aec20f09d4d774fb"
            },
            {
              "last_affected": "8cb53e612919ddbd8231dd86e6c060222b517536"
            }
          ],
          "repo": "https://github.com/zhayujie/cowagent",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.1.0",
        "2.1.1"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-285",
      "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18992.json"
  },
  "details": "A vulnerability was detected in zhayujie CowAgent up to 2.1.1. This vulnerability affects the function _select_tools of the file agent/evolution/executor.py of the component Self-Evolution Review Agent. Performing a manipulation results in incorrect authorization. The attack is possible to be carried out remotely. The exploit is now public and may be used.",
  "id": "CVE-2026-18992",
  "modified": "2026-08-08T03:30:49.551092887Z",
  "published": "2026-08-06T03:30:10.740Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/zhayujie/CowAgent/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18992.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18992"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/cve/CVE-2026-18992"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/862609"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/386368"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/zhayujie/CowAgent/issues/2904"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/zhayujie/CowAgent/issues/2904#issuecomment-4756833239"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/386368/cti"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "zhayujie CowAgent Self-Evolution Review Agent executor.py _select_tools authorization"
}