{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-121732","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-03T22:17:04.568Z","datePublished":"2026-11-03T22:55:37.220Z","dateUpdated":"2026-11-03T22:55:37.220Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-03T22:55:37.220Z"},"datePublic":"2026-05-26T00:00:00.000Z","title":"RosarioSIS before 12.9 Improper Authorization via Student Billing Mass Assignment","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Authorization Bypass Through User-Controlled Key","cweId":"CWE-639","type":"CWE"}]}],"affected":[{"vendor":"francoisjacquet","product":"RosarioSIS","defaultStatus":"unaffected","packageURL":"pkg:composer/francoisjacquet/rosariosis","versions":[{"version":"0","lessThan":"12.9","status":"affected","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:rosariosis:rosariosis:*:*:*:*:*:*:*:*","versionEndExcluding":"12.9"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":2.1,"baseSeverity":"LOW"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":2.7,"baseSeverity":"LOW"}}],"references":[{"url":"https://github.com/francoisjacquet/rosariosis/commit/a8bb460aacb11661934e6e91fbe0d8158fbc0c4f","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/francoisjacquet/rosariosis","tags":["product"]},{"url":"https://gitlab.com/francoisjacquet/rosariosis/-/issues/376","tags":["issue-tracking"]},{"url":"https://github.com/francoisjacquet/rosariosis/blob/v12.8.1/modules/Student_Billing/MassAssignFees.php#L15","tags":["technical-description"]},{"url":"https://github.com/francoisjacquet/rosariosis/blob/v12.8.1/modules/Student_Billing/MassAssignPayments.php#L16","tags":["technical-description"]},{"url":"https://github.com/francoisjacquet/rosariosis/releases/tag/v12.9","tags":["release-notes"],"name":"RosarioSIS v12.9 Release Notes"},{"name":"VulnCheck Advisory: RosarioSIS before 12.9 Improper Authorization via Student Billing Mass Assignment","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/rosariosis-before-12.9-improper-authorization-via-student-billing-mass-assignment"}],"credits":[{"lang":"en","value":"harunmansor","type":"finder"},{"lang":"en","value":"François Jacquet","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}}}}