Home/CVE/MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs curren
CVE

CVE-2026-25962

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs curren

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.

MEDIUM · CVSS 6.5 EPSS 0.00062
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-409Improper Handling of Highly Compressed Data (Data Amplification)
▤

Affected Products & Versions

1
markusproject markus< 2.9.4
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Mar 2026 · 04:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/MarkUsProject/Markus/releases/tag/v2.9.4ProductRelease Notes
https://github.com/MarkUsProject/Markus/security/advisories/GHSA-x8xv-j7fc-65x5Vendor Advisory
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