{"affected":[{"defaultStatus":"unaffected","ecosystem":"composer","packageName":"francoisjacquet/rosariosis","product":"RosarioSIS","source":"CNA: VulnCheck","vendor":"francoisjacquet","versions":[{"lessThan":"12.9","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-121732","cwes":["CWE-639"],"description":"RosarioSIS before 12.9 contains an improper authorization vulnerability that allows school-scoped administrators to assign fees and payments to students of other schools via MassAssignFees.php and MassAssignPayments.php. Attackers can substitute foreign student IDs in the student[] POST array of a modfunc=save request to alter other schools' student billing balances, breaking school isolation.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":2.1,"severity":"low","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":2.7,"severity":"low","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},{"score":2.1,"severity":"low","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":2.7,"severity":"low","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1793747857127,"publishedAt":1793746537220,"references":[{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/francoisjacquet/rosariosis/commit/a8bb460aacb11661934e6e91fbe0d8158fbc0c4f"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/francoisjacquet/rosariosis"},{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://gitlab.com/francoisjacquet/rosariosis/-/issues/376"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/francoisjacquet/rosariosis/blob/v12.8.1/modules/Student_Billing/MassAssignFees.php#L15"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/francoisjacquet/rosariosis/blob/v12.8.1/modules/Student_Billing/MassAssignPayments.php#L16"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/francoisjacquet/rosariosis/releases/tag/v12.9"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/rosariosis-before-12.9-improper-authorization-via-student-billing-mass-assignment"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/francoisjacquet/rosariosis"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/francoisjacquet/rosariosis/blob/v12.8.1/modules/Student_Billing/MassAssignFees.php#L15"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/francoisjacquet/rosariosis/blob/v12.8.1/modules/Student_Billing/MassAssignPayments.php#L16"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/francoisjacquet/rosariosis/commit/a8bb460aacb11661934e6e91fbe0d8158fbc0c4f"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/francoisjacquet/rosariosis/releases/tag/v12.9"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://gitlab.com/francoisjacquet/rosariosis/-/issues/376"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/rosariosis-before-12.9-improper-authorization-via-student-billing-mass-assignment"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/francoisjacquet/rosariosis/commit/a8bb460aacb11661934e6e91fbe0d8158fbc0c4f"}],"revision":"ec23c25bc3e039e22d49bb28a7c9f34abefb5d3eca8148b431e03569002480cb","sources":[{"modifiedAt":1793746537220,"name":"CNA: VulnCheck","retrievedAt":1793748235120,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121732"},{"modifiedAt":1793747857127,"name":"NVD","retrievedAt":1793751791914,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121732"}],"ssvc":null,"status":"published","title":"RosarioSIS before 12.9 Improper Authorization via Student Billing Mass Assignment","updatedAt":1793751791914}