{"id":"CVE-2026-121731","kind":"vulnerability","aliases":["CVE-2026-121731"],"related":[],"title":"RosarioSIS: SQL injection lets logged-in parents read admin password hashes","description":"RosarioSIS before 12.9 contains a sql injection vulnerability that allows authenticated non-student users, including parents, to inject SQL via the unquoted period_id parameter in StudentSummary.php. Attackers can supply payloads without single quotes into IN() clauses to extract administrator password hashes and student records through time-based queries or modify data via stacked statements.","summary":"RosarioSIS is an open-source school information system. Before version 12.9, an unquoted period_id parameter in StudentSummary.php lets any authenticated non-student user, including parents, inject SQL and extract administrator password hashes and student records or modify data.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","rosariosis","school-systems","self-hosted"],"not_affected_if":["version-12.9-or-later"],"how_to_check":"- Check the installed RosarioSIS version and confirm whether it is below `12.9`.\n- Look for `StudentSummary.php` in the installation and confirm whether it handles `period_id` without quoting.","fix":"- Upgrade RosarioSIS to `12.9` or later.","status":"open","published_at":"2026-11-03T23:17:36+00:00","first_seen_at":"2026-11-03T23:45:15+00:00","triaged_at":"2026-11-03T23:45:24+00:00","updated_at":"2026-11-03T23:45:24+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-03T23:45:24Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade RosarioSIS to `12.9` or later.","reach":"network","title":"RosarioSIS: SQL injection lets logged-in parents read admin password hashes","impact":"high","summary":"RosarioSIS is an open-source school information system. Before version 12.9, an unquoted period_id parameter in StudentSummary.php lets any authenticated non-student user, including parents, inject SQL and extract administrator password hashes and student records or modify data.","audience":"businesses","category":"package","nicknames":[],"who_cares":["rosariosis","self-hosted","school-systems"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"Attacker reads admin password hashes and student records, or modifies data","analyst_note":"Confirm the fixed version and the exact patch from the linked fix and release notes on github.com; sources do not say whether the flaw affects a default configuration.","how_to_check":"- Check the installed RosarioSIS version and confirm whether it is below `12.9`.\n- Look for `StudentSummary.php` in the installation and confirm whether it handles `period_id` without quoting.","plain_action":"","needs_analyst":true,"not_affected_if":["version-12.9-or-later"],"who_is_affected":"Schools and organisations running RosarioSIS before 12.9 with parent or other non-student accounts are exposed, since those accounts can reach the vulnerable page. Installations limited to student or administrator-only access still need to be checked against the patched version. unknown whether other configurations change exposure.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000705,"input_tokens":4195,"output_tokens":570,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-121731':15A,18A '-2026':14A,17A '12.9':38B,70C 'admin':10A 'administr':59B,108C 'allow':77C 'attack':96C 'authent':48B,78C 'base':117C 'claus':105C 'contain':71C 'cve':13A,16A 'data':67B,121C 'extract':58B,107C 'hash':12A,61B,110C 'host':26B 'id':42B,92C 'includ':53B,83C 'inform':34B 'inject':3A,55B,74C,86C 'let':4A,46B 'log':6A 'logged-in':5A 'modifi':66B,120C 'non':50B,80C 'non-stud':49B,79C 'open':31B 'open-sourc':30B 'packag':19B 'paramet':43B,93C 'parent':8A,54B,84C 'password':11A,60B,109C 'payload':99C 'period':41B,91C 'queri':118C 'quot':102C 'read':9A 'record':64B,113C 'rosariosi':1A,20B,27B,68C 'school':22B,33B 'school-system':21B 'self':25B 'self-host':24B 'singl':101C 'sourc':32B 'sql':2A,56B,73C,87C 'stack':123C 'statement':124C 'student':51B,63B,81C,112C 'studentsummary.php':45B,95C 'suppli':98C 'system':23B,35B 'time':116C 'time-bas':115C 'unquot':40B,90C 'user':52B,82C 'version':37B 'via':88C,122C 'vulner':75C 'without':100C","nicknames":[],"mitigations":[],"who_affected":"Schools and organisations running RosarioSIS before 12.9 with parent or other non-student accounts are exposed, since those accounts can reach the vulnerable page. Installations limited to student or administrator-only access still need to be checked against the patched version. unknown whether other configurations change exposure.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","package","rosariosis","schoolsystems","selfhosted"],"campaign_type":null,"first_public_at":"2026-11-03T23:17:36+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121731","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121731","severity":null,"published_at":"2026-11-03T23:17:36+00:00","modified_at":"2026-11-03T23:17:36+00:00","first_seen_at":"2026-11-03T23:45:15+00:00","fetched_at":"2026-11-03T23:45:15+00:00","note":null}],"documents":[{"id":61673,"url":"https://github.com/francoisjacquet/rosariosis/commit/1b809f9761b50c3f6faf9e1b2b5f5e74d63509c1","title":"Patch: github.com","kind":"other","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Patch: github.com"},{"id":61674,"url":"https://github.com/francoisjacquet/rosariosis/releases/tag/v12.9","title":"Release notes: github.com","kind":"release","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Release notes: github.com"},{"id":61675,"url":"https://www.vulncheck.com/advisories/rosariosis-before-12.9-sql-injection-via-period-id-in-attendance-absence-report","title":"Third-party advisory: www.vulncheck.com","kind":"advisory","source":"nvd","publisher":"research","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Third-party advisory: www.vulncheck.com"}],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}