{"id":"CVE-2026-91107","revision":"3f7a04273f5340b4a8e5e55fac6014c4","records":[{"revision":"3f7a04273f5340b4a8e5e55fac6014c4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-91107","aliases":[],"title":"openSIS Classic 9.3 - Insecure Direct Object Reference (IDOR)","description":"openSIS Classic 9.3 allows an authenticated user with the built-in teacher role can select an arbitrary staff record through staff_id and cause the School Information update path to reset that selected account's password.","state":0,"publishedAt":"2026-10-05T21:29:29.268+00:00","modifiedAt":"2026-10-06T13:54:11.351+00:00","affected":[{"ecosystem":"Vendor product","name":"openSIS-Classic","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"Windows\",\n                        \"MacOS\",\n                        \"Linux\"\n                    ],\n                    \"product\": \"openSIS-Classic\",\n                    \"vendor\": \"OS4ED\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"9.3\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","score":9.3,"severity":"CRITICAL"}],"references":["https://fluidattacks.com/advisories/hearts","https://github.com/OS4ED/openSIS-Classic","https://github.com/OS4ED/openSIS-Classic/commit/24bb530391a67c114cd4fe3dff65da7e070f5ed1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91107","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-91107","identifiers":["CVE-2026-91107"]},"retained":false,"historicalAffected":[]}],"coverage":[]}