ATutor 2.2.4 Zip Extraction path traversal

Summaryinfo

A vulnerability has been found in ATutor 2.2.4 and classified as critical. Impacted is an unknown function of the component Zip Extraction. This manipulation causes path traversal. This vulnerability only affects products that are no longer supported by the maintainer. The identification of this vulnerability is CVE-2026-64966. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in ATutor 2.2.4. It has been declared as critical. Affected by this vulnerability is an unknown part of the component Zip Extraction. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

ATutor is vulnerable to a Path Traversal vulnerability in ZIP extraction functionality. An attacker with instructor privileges can upload and extract a specially crafted ZIP archive, causing files to be written outside the intended extraction directory. This allows an attacker to place a server-executable .phtml file in the web root and achieve remote code execution with web server privileges on the underlying server. 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.

It is possible to read the advisory at cert.pl. This vulnerability is known as CVE-2026-64966 since 07/21/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/20/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Learning Management Software

Name

• ATutor

Version

• 2.2.4

License

• free

Support

• end of life

CPE 2.3info

• 🔒

CPE 2.2info

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