CVE-2026-25962 — MarkUs: Zip bomb in config upload enables DoS
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 li…
Published: 2026-03-06 · CVSS: 6.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7