CVE-2026-25962 is a denial-of-service vulnerability in MarkUs, a web application for student assignment submission and grading, affecting versions prior to 2.9.4. The flaw allows authenticated users (instructors or students) to upload maliciously crafted zip files without size or entry-count limits, leading to resource exhaustion and potential application unavailability. Rated Medium severity with a CVSS score of 6.5, the attack requires low privileges and network access, but no user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.9.4CPE matchmatch criteria | cpe:2.3:a:markusproject:markus:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.