Exploit for CVE-2026-25057
MarkUs is a web application for the submission and grading of student assignments. Prior to 2.9.1, instructors are able to upload a zip file to create an assignment from an exported configuration (courses/<:course_id>/assignments/upload_config_files). The uploaded zip file entry names are used to create paths to write files to disk without checking these paths. This vulnerability is fixed in 2.9.1.
Published: 2026-02-09
CVSS: 9.1
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Download Exploit for CVE-2026-25057 here:
Tip: Download official Tor Browser at https://www.torproject.org/download/ to access .onion links.
Check our portfolio:
https://veletacapital.com/exploit-173-cve-2026-2122/
https://veletacapital.com/exploit-506-cve-2026-2927/
