CVE-2026-6572: Collabora KodExplorer fileUpload Endpoint share.class.php improper authorization
A security vulnerability has been detected in Collabora KodExplorer up to 4.52. Affected by this issue is some unknown functionality of the file /app/controller/share.class.php of the component fileUpload Endpoint. The manipulation of the argument fileUpload leads to improper authorization. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitation is known to be difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-6572?
CVE-2026-6572 is classified as a high-severity vulnerability due to its potential for unauthorized access to sensitive files.
How do I fix CVE-2026-6572?
To fix CVE-2026-6572, update Collabora KodExplorer to version 4.53 or later to mitigate the improper authorization issue.
What impact does CVE-2026-6572 have on the system?
CVE-2026-6572 allows attackers to exploit the improper authorization in the fileUpload Endpoint, potentially leading to unauthorized file uploads.
Which versions of Collabora KodExplorer are affected by CVE-2026-6572?
CVE-2026-6572 affects all versions of Collabora KodExplorer up to and including version 4.52.
Is there a workaround for CVE-2026-6572?
Currently, the recommended action to address CVE-2026-6572 is to upgrade the software, as there are no effective workarounds.