{"id":"CVE-2026-108758","revision":"319e801644134c8093e99a53f6c93b43","records":[{"revision":"319e801644134c8093e99a53f6c93b43","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-108758","aliases":[],"title":"Easy!Appointments through 1.6.0 Authorization Bypass via booking/register Endpoint","description":"Easy!Appointments through 1.6.0 contains an authorization bypass vulnerability in Booking::register() that allows unauthenticated attackers to modify any appointment by supplying an appointment id without its hash. Attackers can enumerate sequential appointment ids with a self-asserted manage_mode flag to rewrite appointment details, rebind them to attacker-controlled customers, and obtain management hashes for rescheduling or cancellation.","state":0,"publishedAt":"2026-10-11T12:19:55.847+00:00","modifiedAt":"2026-10-13T20:01:31.926+00:00","affected":[{"ecosystem":"Vendor product","name":"easyappointments","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"alextselegidis\",\n                    \"product\": \"easyappointments\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"1.6.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/alextselegidis/easyappointments\",\n                    \"repo\": \"https://github.com/alextselegidis/easyappointments\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.8,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","score":8.2,"severity":"HIGH"}],"references":["https://hackmd.io/@haind/easyappointments-booking-register-appointment-takeover","https://github.com/alextselegidis/easyappointments/blob/4bc7ecd51f3dade8e041558f2c23dda65bd6c43e/application/controllers/Booking.php#L368-L587","https://github.com/alextselegidis/easyappointments/commit/09c6fb30b6aac0830a820d6bec3d2eb241daf150","https://github.com/alextselegidis/easyappointments","https://www.vulncheck.com/advisories/easy-appointments-through-1.6.0-authorization-bypass-via-booking-register-endpoint"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108758","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-108758","identifiers":["CVE-2026-108758"]},"retained":false,"historicalAffected":[]}],"coverage":[]}