CVE-2026-5258: Sanster IOPaint File Manager file_manager.py _get_file path traversal

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-01 · updated 2026-10-26
Weakness: CWE-22

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.

Affected products

Sanster IOPaint: 1.5.3

References

https://github.com/August829/CVEP/issues/11
https://vuldb.com/submit/780666
https://vuldb.com/vuln/354448
https://vuldb.com/vuln/354448/cti

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