CVE-2026-25962

MEDIUM

Markus < 2.9.4 - Denial of Service via Unrestricted Zip Extraction

Title source: llm

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.

References (2)

Core 2

Core References

Vendor Advisory x_refsource_confirm

https://github.com/MarkUsProject/Markus/security/advisories/GHSA-x8xv-j7fc-65x5

Release Notes x_refsource_misc

https://github.com/MarkUsProject/Markus/releases/tag/v2.9.4

Scores

CVSS v3 6.5

EPSS 0.0026

EPSS Percentile 17.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-409

Status published

Products (1)

markusproject/markus < 2.9.4

Published Mar 06, 2026

Tracked Since Mar 06, 2026