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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-25962

MarkUs: Zip bomb in config upload enables DoS

Description

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs currently extracts zip files without any size or entry-count limits. For example, instructors can upload a zip file to provide an assignment configuration; students can upload a zip file for an assignment submission and indicate its contents should be extracted. This issue has been patched in version 2.9.4.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

MarkUsProject Markus

  • < 2.9.4affected

References