Path Traversal in Sanster Iopaint
CVE-2026-5258
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.007 (52.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001
Affected products
- Sanster Iopaint — versions 1.5.3
Weakness classification (CWE)
References
- vuldb.com/vuln/354448 (technical-description, vdb-entry)
- vuldb.com/vuln/354448/cti (signature, permissions-required)
- vuldb.com/submit/780666 (third-party-advisory)
- github.com/August829/CVEP/issues/11 (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-5258?
- CVE-2026-5258 is a high-severity vulnerability in Sanster Iopaint, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-04-01.
- How severe is CVE-2026-5258?
- High severity. CVSS v3 base score is 7.3 out of 10.