{"id":"CVE-2025-55797","aliases":["GHSA-6cwx-42hw-w69c"],"url":"https://o3.security/vulnerability/CVE-2025-55797","summary":"FormCMS has an improper access control vulnerability in the /api/schemas/history/[schemaId] endpoint","details":"An improper access control vulnerability in FormCms v0.5.4 in the /api/schemas/history/[schemaId] endpoint allows unauthenticated attackers to access historical schema data if a valid schemaId is known or guessed.","published":"2025-09-30T00:00:00Z","modified":"2026-07-15T01:48:55.038914825Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"FormCMS","fixedVersion":"0.5.5"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/FormCms"},{"type":"WEB","url":"https://github.com/KKC73/me/tree/main/CVE-2025-55797"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55797.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55797"},{"type":"PACKAGE","url":"https://github.com/FormCms/FormCms"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:48:55.038914825Z"}}