CVE-2026-64963 Path Traversal in ATutor
Authenticated users can access files from other course directories via path traversal when a specific configuration option is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-64963?
CVE-2026-64963 is a low-severity path traversal vulnerability in ATutor, published on 20 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A path traversal vulnerability in ATutor allows an authenticated user to access files from other course directories when the AT_FORCE_GET_FILE configuration option is enabled. This can lead to unauthorized access to files and disclosure of information about the filesystem structure.
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-64963?
How do I fix CVE-2026-64963?
No fix has been published for CVE-2026-64963 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-64963 being exploited?
There is no known exploitation of CVE-2026-64963 in the wild and no public exploit code.
Sources
Also known as GHSA-5rmr-hv98-xf8x.