How severe is CVE-2026-25962?

CVE-2026-25962 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-25962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25962?

CVE-2026-25962 affects Markusproject Markus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25962?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-25962 have an EU (EUVD) identifier?

Yes. CVE-2026-25962 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9967.

When was CVE-2026-25962 published?

CVE-2026-25962 was published on 2026-03-06 and last updated on 2026-06-17.

CVE-2026-25962

CVE-2026-25962 is a medium-severity vulnerability in Markusproject Markus with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-409.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9967
Weakness: CWE-409
Affected product: Markusproject Markus
Published: 2026-03-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-25962?: 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.
How severe is CVE-2026-25962?: CVE-2026-25962 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-25962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25962?: CVE-2026-25962 affects Markusproject Markus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25962?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-25962 have an EU (EUVD) identifier?: Yes. CVE-2026-25962 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9967.
When was CVE-2026-25962 published?: CVE-2026-25962 was published on 2026-03-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:markusproject:markus:*:*:*:*:*:*:*:*

More vulnerabilities in Markusproject Markus

CVE-2026-25057 — Critical (CVSS 9.1): MarkUs is a web application for the submission and grading of student assignments. Prior to 2.9.1, instructors are able…
CVE-2024-51743 — High (CVSS 8.8): MarkUs is a web application for the submission and grading of student assignments. In versions prior to 2.4.8, an…
CVE-2024-51499 — High (CVSS 8.8): MarkUs is a web application for the submission and grading of student assignments. In versions prior to 2.4.8, an…
CVE-2026-28405 — High (CVSS 8.0): MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.1, the…
CVE-2026-24900 — Medium (CVSS 6.5): MarkUs is a web application for the submission and grading of student assignments. Prior to 2.9.1, the…
CVE-2024-47820 — Medium (CVSS 5.7): MarkUs, a web application for the submission and grading of student assignments, is vulnerable to path traversal in…

All CVEs affecting Markusproject Markus →

Other CWE-409 vulnerabilities

CVE-2026-53430 — High (CVSS 8.7): Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in elixir-grpc grpc…
CVE-2026-44697 — High (CVSS 8.6): Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.17, a remote, unauthenticated…
CVE-2026-49755 — High (CVSS 8.2): Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in wojtekmach Req allows…
CVE-2026-48594 — High (CVSS 8.2): Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in elixir-tesla tesla allows a denial of…
CVE-2026-43970 — High (CVSS 8.2): Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in ninenines cowlib allows…
CVE-2026-24264 — High (CVSS 7.5): NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker can cause improper handling of…

Browse all CWE-409 vulnerabilities →