Unrated severityNVD Advisory· Published Mar 6, 2026· Updated Mar 6, 2026
MarkUs: Zip bomb in config upload enables DoS
CVE-2026-25962
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
1- MarkUsProject/Markusv5Range: < 2.9.4
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- github.com/MarkUsProject/Markus/releases/tag/v2.9.4mitrex_refsource_MISC
- github.com/MarkUsProject/Markus/security/advisories/GHSA-x8xv-j7fc-65x5mitrex_refsource_CONFIRM
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