CVE-2026-5258: Sanster Iopaint

High severity, CVSS 7.3. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability was found in Sanster IOPaint 1.5.3. Impacted is the function _get_file of the file iopaint/file_manager/file_manager.py of the component File Manager. Performing a manipulation of the argument filename results in path traversal. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Sanster Iopaint: version 1.5.3 only

Published 2026-04-01. Last modified 2026-06-17.