# CVE-2026-116010: RosarioSIS before 12.9.1 Missing Authorization in Teacher Save Handlers

Status: published. Published: 2026-10-24. Updated: 2026-11-14.

RosarioSIS before 12.9.1 contains a missing authorization vulnerability that allows authenticated teachers to write records for students outside their course period by supplying arbitrary student IDs. Attackers can modify the st_arr, values, or attendance POST arrays in MakeReferral.php, EnterEligibility.php, InputFinalGrades.php, and TakeAttendance.php to create referrals, eligibility codes, attendance and final grades for any student in the school.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://gitlab.com/francoisjacquet/rosariosis/-/commit/37b67dad841479799cc41bc969c7aea6626bab66

## Affected products and versions

- francoisjacquet / RosarioSIS (francoisjacquet/rosariosis): ≥ 0; < 12.9.1 (affected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: 0.20% as of 2026-11-13; percentile 10.45%

- SSVC: exploitation poc; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-639

## Exploit evidence

- exploit: https://gitlab.com/francoisjacquet/rosariosis/-/work_items/377 (ADP: CISA-ADP)

## References

- https://gitlab.com/francoisjacquet/rosariosis/-/issues/377 (CNA: VulnCheck; issue-tracking)

- https://gitlab.com/francoisjacquet/rosariosis/-/commit/37b67dad841479799cc41bc969c7aea6626bab66 (CNA: VulnCheck; patch)

- https://gitlab.com/francoisjacquet/rosariosis/-/blob/v12.9/modules/Discipline/MakeReferral.php#L75 (CNA: VulnCheck; technical-description)

- https://gitlab.com/francoisjacquet/rosariosis/-/releases/v12.9.1 (CNA: VulnCheck; release-notes)

- https://www.vulncheck.com/advisories/rosariosis-before-12.9.1-missing-authorization-in-teacher-save-handlers (CNA: VulnCheck; third-party-advisory)

- https://gitlab.com/francoisjacquet/rosariosis/-/work_items/377 (ADP: CISA-ADP; exploit)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-116010; retrieved 2026-11-14; source updated 2026-11-14

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-116010; retrieved 2026-11-14; source updated Not reported

Revision: 2cca6f5f7d5efed62db48323eb8094c29301a451f2b532c0c1954950112f675e

Canonical: https://y2.dev/cve/CVE-2026-116010

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