CVE-2026-25962: MarkUs is a web application for the submission and grading of student assignments
CVE-2026-25962 is a medium-severity flaw (CVSS 6.5) affecting markus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 81%) |
| CISA exploited list | No |
| Weakness | CWE-409 |
| Published | 2026-03-06 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-25962?
markus: upgrade to 2.9.4. Exact commands for each OS are on this page.
Is CVE-2026-25962 being exploited?
CVE-2026-25962 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-25962 affect?
CVE-2026-25962 affects markus. Severity is medium (CVSS 6.5). 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
How urgent is CVE-2026-25962?
Priority 28/100. No elevated risk signals yet.
Related CVEs
- CVE-2026-28405 HIGH 8.0 UPGRADE MarkUs is a web application for the submission and grading of student assignments
- CVE-2026-27807 MEDIUM 4.9 UPGRADE MarkUs is a web application for the submission and grading of student assignments
- CVE-2024-51743 HIGH 8.8 UPGRADE MarkUs is a web application for the submission and grading of student assignments
- CVE-2024-51499 HIGH 8.8 UPGRADE MarkUs is a web application for the submission and grading of student assignments
- CVE-2024-47820 MEDIUM 5.7 UPGRADE MarkUs, a web application for the submission and grading of student assignments, is vulnerable to path travers