Is this vulnerability remotely exploitable?

Yes. As described, the vulnerability can be exploited remotely if the IOPaint File Manager endpoints are exposed over the network and accept user-controlled `filename` parameters.

Does an attacker need authenticated access to exploit this?

That depends on how the application is deployed and configured. If the file retrieval functionality is available to unauthenticated users, exploitation can be anonymous; if it is behind login, attackers would need whatever level of access is required to reach that endpoint.

What is the safest general fix pattern for this issue?

Implement strict path handling by canonicalizing requested file paths, enforcing that they remain within a configured base directory, and rejecting any request that attempts to escape that directory. Where possible, replace direct filename parameters with indirect identifiers that are mapped to known-safe locations.

Severity:

HIGH RISK

(7.3)

Path Traversal (CWE-22) in IOPaint File Manager _get_file Function

CVE-2026-5258

Published:

Apr 1, 2026

Status:

Deferred

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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HIGH RISK

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Remote Code Execution by Authenticated Users

May 10, 2026

Vulnerability Type

Category:

Path Traversal

CWE:

CWE-22

Impact:

Unauthorized File System Access

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

Vulnerability Type

Category:

Path Traversal

CWE:

CWE-22

Impact:

Unauthorized File System Access

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

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Path Traversal (CWE-22) in IOPaint File Manager _get_file Function

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.8)

PHP Code Injection via File Upload (CWE-94) in Aero CMS Admin Post Creation

HIGH RISK

HIGH

(8.8)

Code Injection (CWE-94) via Module Parameters in Evolution CMS

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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