CVE-2026-64965
Received Received - Intake

Missing Authorization in ATutor Course Import

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: CERT.PL

Description
ATutor is vulnerable to Missing Authorization Check on Test and Question Import endpoints.  A low-privileged authenticated user (e.g. a student) enrolled in a course can bypass authorization checks by sending requests directly to the backend import endpoints, allowing the unauthorized import of tests and questions within a course. Product is no longer actively supported and the vulnerabilities have not been fixed. Only version 2.2.4 was tested and confirmed as vulnerable, other versions were not tested but might also be vulnerable.

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Meta Information

Published
2026-08-20
Last Modified
2026-08-20
Generated
2026-08-20
AI Q&A
2026-08-20
EPSS Evaluated
N/A
NVD
CVE-2026-64965
EUVD
EUVD-2026-63366

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
atutor atutor to 2.2.4 (exc)
atutor atutor to 2.2.4 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

ATutor has a vulnerability where authorization checks are missing on the Test and Question Import endpoints. A low-privileged authenticated user, such as a student enrolled in a course, can bypass these checks by sending direct requests to the backend import endpoints. This allows them to import tests and questions into a course without proper authorization.

Detection Guidance

Since ATutor is no longer supported and lacks official patches, detection relies on manual inspection of network traffic and server logs. Monitor for unauthorized POST requests to /mods/_standard/tests/import_test.php or /mods/_standard/tests/import_question.php from low-privileged users. Check server logs for unusual import activities by students in courses where they lack instructor privileges.

Impact Analysis

This vulnerability allows unauthorized users to manipulate course content by importing tests and questions. This could lead to incorrect or misleading assessments, disruption of course integrity, and potential academic dishonesty. Since the product is no longer supported, there is no official fix available.

Compliance Impact

The vulnerability allows unauthorized modification of course content by low-privileged users, which could lead to data integrity issues. This may impact compliance with GDPR (data accuracy requirements) and HIPAA (integrity of ePHI) if sensitive data is altered without authorization.

Mitigation Strategies

Immediately restrict access to the vulnerable endpoints by updating server rules or firewall settings to block direct requests to /mods/_standard/tests/import_test.php and /mods/_standard/tests/import_question.php. Consider disabling the import feature entirely if not essential. Migrate to a supported alternative platform as ATutor is no longer maintained.

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