cvedb.io
CVE-2026-28405
HIGH · CVSS 8
EPSS exploitation probability: 0%
Published 2026-03-05T21:16:21.707 · Last modified 2026-06-17T10:28:33.670

Summary

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.1, the courses/<:course_id>/assignments/<:assignment_id>/submissions/html_content route reads the contents of a student-submitted file and renders them without sanitization. This issue has been patched in version 2.9.1.

Affected products

markusproject — markus

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.