{"id":"CVE-2026-100303","title":"TDuck survey form through 6.0 lacks authorization checks on FormThemeController write endpoints for global form themes and categories","summary":"TDuck survey form through 6.0 lacks authorization checks on FormThemeController write endpoints for global form themes and categories. Authenticated non-admin users can add, modify, or delete themes and theme categories affecting forms o…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cwe":["CWE-862"],"vendor":"TDuckCloud","product":"tduck-survey-form","affected":["tduck-survey-form <= 6.0"],"published":"2026-09-25","updated":"2026-09-30","sourceUpdated":"2026-09-30T01:16:31.370","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100303","references":[{"url":"https://github.com/LinYuanyi1/cve-request-poc/blob/adffc39b78cad18cd489cbf7454853bf0f744b7f/tduck/poc_form_theme_write.py","label":"disclosure@vulncheck.com"},{"url":"https://github.com/TDuckCloud/tduck-survey-form","label":"disclosure@vulncheck.com"},{"url":"https://github.com/TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5aee82bbaa19502/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/FormThemeController.java#L61-L120","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/tduck-survey-form-through-6.0-missing-authorization-in-form-theme-management-endpoints","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00278,"epssPercentile":0.20159,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T00:05:01.244891Z"},"ingestedAt":"2026-09-25T19:15:38.966Z","slug":"CVE-2026-100303","body":"## Overview\n\nTDuck survey form through 6.0 lacks authorization checks on FormThemeController write endpoints for global form themes and categories. Authenticated non-admin users can add, modify, or delete themes and theme categories affecting forms owned by other users.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":29.7,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":213235,"id":"CVE-2026-100303","ts":1790729675298,"field":"exploit_available","old":"false","new":"true"}]}