CVE-2026-5258 Sanster IOPaint File Manager file_manager.py _get_file path traversal
Remote attackers can exploit a path traversal flaw in the IOPaint file manager to read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5258?
CVE-2026-5258 is a medium-severity path traversal vulnerability in Sanster IOPaint, published on 1 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-5258?
How do I fix CVE-2026-5258?
No fix has been published for CVE-2026-5258 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-2026-5258 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5258 exists.
Sources
Also known as GHSA-qw2j-qjh4-32jw.