{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.0.0"
              },
              {
                "last_affected": "1.0.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0d554e939a315e7f7f18fba3ca1132b80c6a1adb"
            },
            {
              "last_affected": "0d554e939a315e7f7f18fba3ca1132b80c6a1adb"
            }
          ],
          "repo": "https://github.com/cotonti/cotonti",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "TuranSec",
    "cwe_ids": [
      "CWE-352"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55742.json"
  },
  "details": "Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to Cross-Site Request Forgery in the administration rights handler. In system/admin/admin.rights.php, the rights update action ('a=update') modifies group access rights (including via cot_auth_add_group) without calling cot_check_xg to validate the anti-CSRF token.",
  "id": "CVE-2026-55742",
  "modified": "2026-08-12T03:51:46.179553053Z",
  "published": "2026-06-18T06:05:46.915Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55742.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55742"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Cotonti/Cotonti"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Cotonti/Cotonti/blob/f43f1fc38ba4e02027786dad9dac1435c7c52b30/system/admin/admin.rights.php#L53"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Cotonti CSRF in admin.rights.php allows privilege escalation"
}